gnu: rxvt-unicode: Update to 9.26.

* gnu/packages/xdisorg.scm (rxvt-unicode): Update to 9.26.
[source]: Remove upstreamed patch.
* gnu/packages/patches/rxvt-unicode-escape-sequences.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu/local.mk

@@ -1672,7 +1672,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/rust-nettle-sys-disable-vendor.patch	 \
   %D%/packages/patches/rust-reproducible-builds.patch		 \
   %D%/packages/patches/rust-openssl-sys-no-vendor.patch	\
-  %D%/packages/patches/rxvt-unicode-escape-sequences.patch	\
   %D%/packages/patches/sbc-fix-build-non-x86.patch		\
   %D%/packages/patches/sbcl-clml-fix-types.patch		\
   %D%/packages/patches/scalapack-blacs-mpi-deprecations.patch	\

gnu/packages/patches/rxvt-unicode-escape-sequences.patch

@@ -1,35 +0,0 @@
-This patch prevents a code execution vector involving terminal escape
-sequences when rxvt-unicode is in "secure mode".
-
-This change was spurred by the following conversation on the
-oss-security mailing list:
-
-Problem description and proof of concept:
-http://seclists.org/oss-sec/2017/q2/190
-
-Upstream response:
-http://seclists.org/oss-sec/2017/q2/291
-
-Patch copied from upstream source repository:
-http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583
-
---- rxvt-unicode/src/command.C	2016/07/14 05:33:26	1.582
-+++ rxvt-unicode/src/command.C	2017/05/18 02:43:18	1.583
-@@ -2695,7 +2695,7 @@
-         /* kidnapped escape sequence: Should be 8.3.48 */
-       case C1_ESA:		/* ESC G */
-         // used by original rxvt for rob nations own graphics mode
--        if (cmd_getc () == 'Q')
-+        if (cmd_getc () == 'Q' && option (Opt_insecure))
-           tt_printf ("\033G0\012");	/* query graphics - no graphics */
-         break;
- 
-@@ -2914,7 +2914,7 @@
-         break;
- 
-       case CSI_CUB:		/* 8.3.18: (1) CURSOR LEFT */
--      case CSI_HPB: 		/* 8.3.59: (1) CHARACTER POSITION BACKWARD */
-+      case CSI_HPB:		/* 8.3.59: (1) CHARACTER POSITION BACKWARD */
- #ifdef ISO6429
-         arg[0] = -arg[0];
- #else				/* emulate common DEC VTs */

gnu/packages/xdisorg.scm

@@ -1085,15 +1085,14 @@ (define-public sxhkd
 (define-public rxvt-unicode
   (package
     (name "rxvt-unicode")
-    (version "9.22")
+    (version "9.26")
     (source (origin
               (method url-fetch)
               (uri (string-append "http://dist.schmorp.de/rxvt-unicode/Attic/"
                                   name "-" version ".tar.bz2"))
-              (patches (search-patches "rxvt-unicode-escape-sequences.patch"))
               (sha256
                (base32
-                "1pddjn5ynblwfrdmskylrsxb9vfnk3w4jdnq2l8xn2pspkljhip9"))))
+                "12y9p32q0v7n7rhjla0j2g9d5rj2dmwk20c9yhlssaaxlawiccb4"))))
     (build-system gnu-build-system)
     (arguments
      ;; This sets the destination when installing the necessary terminal