gnu: emacs-unpackaged-el: Add patch for missing require statement.

* gnu/packages/emacs-xyz.scm (emacs-unpackaged-el)[source]: Add patch.
* gnu/packages/patches/emacs-unpackaged-req.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu/local.mk

@@ -765,6 +765,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/emacs-highlight-stages-add-gexp.patch	\
   %D%/packages/patches/emacs-scheme-complete-scheme-r5rs-info.patch	\
   %D%/packages/patches/emacs-source-date-epoch.patch		\
+  %D%/packages/patches/emacs-unpackaged-req.patch		\
   %D%/packages/patches/emacs-undohist-ignored.patch	\
   %D%/packages/patches/emacs-wordnut-require-adaptive-wrap.patch	\
   %D%/packages/patches/emacs-zones-called-interactively.patch	\

gnu/packages/emacs-xyz.scm

@@ -591,12 +591,15 @@ (define-public emacs-unpackaged-el
          (file-name (git-file-name name version))
          (sha256
           (base32
-           "1yf3zrgqfhnr0az8gn1kqqwnhfi3nc0vbjkcagwcqwk3sp1jda86"))))
+           "1yf3zrgqfhnr0az8gn1kqqwnhfi3nc0vbjkcagwcqwk3sp1jda86"))
+         (patches
+          (search-patches "emacs-unpackaged-req.patch"))))
       (build-system emacs-build-system)
       (propagated-inputs
        `(("emacs-dash" ,emacs-dash)
          ("emacs-org" ,emacs-org)
          ("emacs-s" ,emacs-s)
+         ("emacs-hydra" ,emacs-hydra)
          ("emacs-use-package" ,emacs-use-package)))
       (home-page "https://github.com/alphapapa/unpackaged.el")
       (synopsis "Useful snippets of Emacs Lisp code")

gnu/packages/patches/emacs-unpackaged-req.patch

@@ -0,0 +1,24 @@
+From e5be173e201710538464c279335bef735a327a68 Mon Sep 17 00:00:00 2001
+From: Brian Leung <bkleung89@gmail.com>
+Date: Tue, 18 Jun 2019 06:37:46 +0200
+Subject: [PATCH] Add missing require.
+
+---
+ unpackaged.el | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/unpackaged.el b/unpackaged.el
+index 2d46b3c..e62184a 100644
+--- a/unpackaged.el
++++ b/unpackaged.el
+@@ -38,6 +38,7 @@
+ (require 'dash)
+ (require 's)
+ (require 'use-package)
++(require 'hydra)
+ 
+ ;;; Faces, fonts
+ 
+-- 
+2.22.0
+