gnu: emacs: Update to 24.3.

* gnu/packages/emacs.scm (emacs): Update to 24.3.  Use the .xz tarball.
* gnu/packages/patches/emacs-configure-sh.patch: Adjust.

gnu/packages/emacs.scm

@@ -31,14 +31,14 @@
 (define-public emacs
   (package
     (name "emacs")
-    (version "24.2")
+    (version "24.3")
     (source (origin
              (method url-fetch)
              (uri (string-append "mirror://gnu/emacs/emacs-"
-                                 version ".tar.bz2"))
+                                 version ".tar.xz"))
              (sha256
               (base32
-               "13wbjfjmz13qpjwssy44nw2230lllmkkgjsy0rqfm6am2cf87n3k"))))
+               "1385qzs3bsa52s5rcncbrkxlydkw0ajzrvfxgv8rws5fx512kakh"))))
     (build-system gnu-build-system)
     (arguments
      '(#:configure-flags

gnu/packages/patches/emacs-configure-sh.patch

@@ -1,14 +1,13 @@
 Make sure the right shell is used when creating src/epaths.h.
 
---- emacs-24.2/configure	2013-01-13 17:01:53.000000000 +0100
-+++ emacs-24.2/configure	2013-01-13 17:01:57.000000000 +0100
-@@ -24135,7 +24135,7 @@ done
+--- emacs-24.3/configure	2013-03-14 17:42:26.000000000 +0100
++++ emacs-24.3/configure	2013-03-14 17:42:58.000000000 +0100
+@@ -26463,7 +26463,7 @@ done
   ;;
      "epaths":C)
  echo creating src/epaths.h
--${MAKE-make} epaths-force
-+${MAKE-make} epaths-force SHELL="$CONFIG_SHELL"
+-${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force
++${MAKE-make} MAKEFILE_NAME=do-not-make-Makefile epaths-force SHELL="$CONFIG_SHELL"
   ;;
      "gdbinit":C)
  if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
-