gnu: dico: Patch 'idxgcide' bug.

* gnu/packages/patches/dico-idxgcide-bug.patch: New file.
* gnu/packages/dico.scm (dico)[source]: Use it.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu/local.mk

@@ -471,6 +471,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/dealii-p4est-interface.patch		\
   %D%/packages/patches/devil-CVE-2009-3994.patch		\
   %D%/packages/patches/devil-fix-libpng.patch			\
+  %D%/packages/patches/dico-idxgcide-bug.patch			\
   %D%/packages/patches/dico-libtool-deterministic.patch		\
   %D%/packages/patches/diffutils-gets-undeclared.patch		\
   %D%/packages/patches/dfu-programmer-fix-libusb.patch		\

gnu/packages/dico.scm

@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015, 2016 Ludovic Courtès <ludo@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -44,7 +44,8 @@
               (base32
                "04pjks075x20d19l623mj50bw64g8i41s63z4kzzqcbg9qg96x64"))
              (patches (search-patches "cpio-gets-undeclared.patch"
-                                      "dico-libtool-deterministic.patch"))))
+                                      "dico-libtool-deterministic.patch"
+                                      "dico-idxgcide-bug.patch"))))
     (build-system gnu-build-system)
     (arguments
      '(#:configure-flags (list (string-append "--with-guile-site-dir=" %output

gnu/packages/patches/dico-idxgcide-bug.patch

@@ -0,0 +1,21 @@
+Reported at <http://mail.gnu.org.ua/archives/bug-dico/2016-07/msg00000.html>.
+Patch the .c file to avoid depending on Flex.
+
+commit 4599abbda3b5979367138ea098e435c919fe93fc
+Author: Sergey Poznyakoff <gray@gnu.org>
+Date:   Thu Jul 28 14:09:58 2016 +0300
+
+    Bugfix
+    
+    * modules/gcide/idxgcide.l (main): Initialize ipg_header.
+
+--- dico-2.2/modules/gcide/idxgcide.c	2016-07-28 14:15:07.823587004 +0200
++++ dico-2.2/modules/gcide/idxgcide.c	2016-07-28 14:15:09.435600549 +0200
+@@ -2497,6 +2497,7 @@ main(int argc, char **argv)
+ 	dico_log(L_ERR, 0, _("not enough memory"));
+ 	exit(EX_UNAVAILABLE);
+     }
++    idx_page->ipg_header.hdr.phdr_numentries = 0;
+     idx_page->ipg_header.hdr.phdr_text_offset = idx_header.ihdr_pagesize / 2;
+ 
+     idx_header.ihdr_maxpageref = idx_header.ihdr_pagesize / 2 /