gnu: jbig2dec: Update to 0.13.

* gnu/packages/image.scm (jbig2dec): Update to 0.13.
[source]: Update URL.
[home-page]: Update URL.
* gnu/packages/patches/jbig2dec-ignore-testtest.patch: Adjust patch.

gnu/packages/image.scm

@@ -351,15 +351,14 @@ arithmetic ops.")
 (define-public jbig2dec
   (package
     (name "jbig2dec")
-    (version "0.11")
+    (version "0.13")
     (source
       (origin
         (method url-fetch)
-        (uri             ;; The link on the homepage is dead.
-          (string-append "http://distfiles.gentoo.org/distfiles/" name "-"
-                          version ".tar.gz"))
+        (uri (string-append "http://downloads.ghostscript.com/public/" name "/"
+                            name "-" version ".tar.gz"))
         (sha256
-          (base32 "1ffhgmf2fqzk0h4k736pp06z7q5y4x41fg844bd6a9vgncq86bby"))
+          (base32 "04akiwab8iy5iy34razcvh9mcja9wy737civ3sbjxk4j143s1b2s"))
         (patches (search-patches "jbig2dec-ignore-testtest.patch"))))
 
     (build-system gnu-build-system)
@@ -374,7 +373,7 @@ This is a decoder only implementation, and currently is in the alpha
 stage, meaning it doesn't completely work yet.  However, it is
 maintaining parity with available encoders, so it is useful for real
 work.")
-    (home-page "http://jbig2dec.sourceforge.net/")
+    (home-page "http://www.ghostscript.com/jbig2dec.html")
     (license license:gpl2+)))
 
 (define-public openjpeg

gnu/packages/patches/jbig2dec-ignore-testtest.patch

@@ -1,14 +1,16 @@
 Do not run the "testtest script", it doesn't seem to do anything and reports
 failiute. TODO: Actually fix the test instead of ignoring it.
 
---- a/Makefile.in	2010-02-02 20:13:56.000000000 +0100
-+++ b/Makefile.in	2014-09-13 17:50:10.957816767 +0200
-@@ -181,7 +181,7 @@
- 
- MAINTAINERCLEANFILES = config_types.h.in
- 
--TESTS = test_sha1 test_jbig2dec.py test_huffman test_arith
-+TESTS = test_sha1 test_huffman test_arith
- 
- test_sha1_SOURCES = sha1.c sha1.h
- test_sha1_CFLAGS = -DTEST
+diff --git a/Makefile.in b/Makefile.in
+index 0573592..1a5de77 100644
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -93,7 +93,7 @@ host_triplet = @host@
+ bin_PROGRAMS = jbig2dec$(EXEEXT)
+ noinst_PROGRAMS = test_sha1$(EXEEXT) test_huffman$(EXEEXT) \
+ 	test_arith$(EXEEXT)
+-TESTS = test_sha1$(EXEEXT) test_jbig2dec.py test_huffman$(EXEEXT) \
++TESTS = test_sha1$(EXEEXT) test_huffman$(EXEEXT) \
+ 	test_arith$(EXEEXT)
+ subdir = .
+ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4