gnu: mailutils: Update to 3.13.

* gnu/packages/patches/mailutils-fix-uninitialized-variable.patch: Remove
patch.
* gnu/local.mk (dist_patch_DATA): De-register it.
* gnu/packages/mail.scm (mailutils): Update to 3.13.  Remove the 2013
--with-sql option TODO comment; if someone needs that, they can send a patch.
[source]: Remove above patch.
[phases]{prepare-test-suite}: Also patch shell shebang in
'libmailutils/tests/lock.at' and 'imap4d/tests/testclient.c'.
[parallel-tests?]: Reinstate parallel tests.
[inputs]: Move m4 to...
[native-inputs]: ... here.  Add the autoconf, automake, gettext and libtool
quartet.

gnu/local.mk

@@ -1433,7 +1433,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/luajit-no_ldconfig.patch			\
   %D%/packages/patches/luit-posix.patch				\
   %D%/packages/patches/lvm2-static-link.patch			\
-  %D%/packages/patches/mailutils-fix-uninitialized-variable.patch	\
   %D%/packages/patches/mailutils-variable-lookup.patch		\
   %D%/packages/patches/make-impure-dirs.patch			\
   %D%/packages/patches/marble-qt-add-qt-headers.patch		\

gnu/packages/mail.scm

@@ -260,18 +260,16 @@ (define-public anubis
 (define-public mailutils
   (package
     (name "mailutils")
-    (version "3.10")
+    (version "3.13")
     (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnu/mailutils/mailutils-"
                                  version ".tar.xz"))
              (sha256
               (base32
-               "17smrxjdgbbzbzakik30vj46q4iib85ksqhb82jr4vjp57akszh9"))
+               "1iwl82d6aa2acsdxbqh1s5xx44sg83b4yxqik408m1s9rcfrf86r"))
              (patches
-              ;; Fixes https://issues.guix.gnu.org/43088.
-              (search-patches "mailutils-fix-uninitialized-variable.patch"
-                              "mailutils-variable-lookup.patch"))))
+              (search-patches "mailutils-variable-lookup.patch"))))
     (build-system gnu-build-system)
     (arguments
      `(#:phases
@@ -295,8 +293,9 @@ (define-public mailutils
              ;; The 'pipeact.at' tests generate a shell script; make
              ;; sure it uses the right shell.
              (substitute* '("sieve/tests/testsuite"
-                            "mh/tests/testsuite")
-               (("#! /bin/sh")
+                            "mh/tests/testsuite"
+                            "libmailutils/tests/lock.at")
+               (("#! ?/bin/sh")
                 (string-append "#!" (which "sh"))))
 
              (substitute* "mh/tests/testsuite"
@@ -328,8 +327,9 @@ (define-public mailutils
                  (format port "Path: ~a/Mail-for-tests~%"
                          (getcwd))))
 
-             #t)))
-       ;; TODO: Add `--with-sql'.
+             (substitute* "imap4d/tests/testclient.c"
+               (("\"/bin/sh\"")
+                (string-append "\"" (which "sh") "\""))))))
        #:configure-flags
        (list "--sysconfdir=/etc"
 
@@ -341,16 +341,20 @@ (define-public mailutils
                                            (package-inputs this-package))
                                (("guile" guile)
                                 (version-major+minor
-                                 (package-version guile))))))
-
-       #:parallel-tests? #f))
+                                 (package-version guile))))))))
     (native-inputs
-     `(("perl" ,perl)                           ;for 'gylwrap'
+     ;; Regeneration of the build system is triggered by touching the
+     ;; 'libmailutils/tests/lock.at' file.
+     `(("autoconf" ,autoconf)
+       ("automake" ,automake)
+       ("gettext" ,gettext-minimal)
+       ("libtool" ,libtool)
+       ("m4" ,m4)
+       ("perl" ,perl)                           ;for 'gylwrap'
        ("texinfo" ,texinfo)
        ("dejagnu" ,dejagnu)))
     (inputs
-     `(("m4" ,m4)
-       ("guile" ,guile-3.0)
+     `(("guile" ,guile-3.0)
        ("gsasl" ,gsasl)
        ("gnutls" ,gnutls)
        ("ncurses" ,ncurses)
@@ -358,7 +362,6 @@ (define-public mailutils
        ("linux-pam" ,linux-pam)
        ("libltdl" ,libltdl)
        ("gdbm" ,gdbm)
-
        ;; Required for SEARCH CHARSET.
        ("libiconv" ,libiconv)
        ("libunistring" ,libunistring)))

gnu/packages/patches/mailutils-fix-uninitialized-variable.patch

@@ -1,26 +0,0 @@
-From 5ca6382fe8adb5bc436a6d873c8b86c69d5abfd1 Mon Sep 17 00:00:00 2001
-From: Sergey Poznyakoff <gray@gnu.org>
-Date: Sun, 13 Sep 2020 14:43:46 +0300
-Subject: [PATCH] Fix uninitialized variable in readmsg
-
-* readmsg/readmsg.c (main): Initialize weedc.
----
- readmsg/readmsg.c | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/readmsg/readmsg.c b/readmsg/readmsg.c
-index 9f305bb9c..3a9f420db 100644
---- a/readmsg/readmsg.c
-+++ b/readmsg/readmsg.c
-@@ -466,7 +466,7 @@ main (int argc, char **argv)
-   mu_mailbox_t mbox = NULL;
-   struct mu_wordsplit ws;
-   char **weedv;
--  int weedc;
-+  int weedc = 0;
-   int unix_header = 0;
-   
-   /* Native Language Support */
--- 
-2.28.0
-