gnu: wmfire: Fix build.

* gnu/packages/gnustep.scm (wmfire)[source]: Add patch.
* gnu/packages/patches/wmfire-dont-inline-draw-fire.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.

Change-Id: I3e937c5e9dbd8a5e2eebfd92213407d9477a47ab

gnu/local.mk

@@ -2204,6 +2204,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/websocketpp-fix-for-cmake-3.15.patch	\
   %D%/packages/patches/wlroots-hwdata-fallback.patch		\
   %D%/packages/patches/wmctrl-64-fix.patch			\
+  %D%/packages/patches/wmfire-dont-inline-draw-fire.patch	\
   %D%/packages/patches/wmfire-update-for-new-gdk-versions.patch	\
   %D%/packages/patches/wordnet-CVE-2008-2149.patch			\
   %D%/packages/patches/wordnet-CVE-2008-3908-pt1.patch			\

gnu/packages/gnustep.scm

@@ -320,7 +320,8 @@ display, and can run a user-specified program on mouse click.")
                (base32
                 "101grahd80n97y2dczb629clmcgiavdpbbwy78kk5wgs362m12z3"))
               (patches
-               (search-patches "wmfire-update-for-new-gdk-versions.patch"))))
+               (search-patches "wmfire-dont-inline-draw-fire.patch"
+                               "wmfire-update-for-new-gdk-versions.patch"))))
     (build-system gnu-build-system)
     (inputs
      (list gtk+-2 libgtop))

gnu/packages/patches/wmfire-dont-inline-draw-fire.patch

@@ -0,0 +1,33 @@
+https://sources.debian.org/data/main/w/wmfire/1.2.4-7/debian/patches/08_removed-inline-from-function-with-extern-linkage.patch
+
+Description: remove inline from function with extern linkage
+  Fixes FTBFS with gcc 9.
+Author: Jeremy Sowden <jeremy@azazel.net>
+Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925858
+Last-Update: 2019-06-22
+Forwarded: not-needed
+
+---
+ src/wmfire.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/src/wmfire.c
++++ b/src/wmfire.c
+@@ -111,7 +111,7 @@
+ void change_flame(int);
+ GdkCursor *setup_cursor();
+ void burn_spot(int, int, int);
+-inline void draw_fire(unsigned int);
++void draw_fire(unsigned int);
+ static void make_wmfire_dockapp();
+ void read_config(int, char **);
+ void do_help(void);
+@@ -504,7 +504,7 @@
+ /* Draw fire                              */
+ /******************************************/
+ 
+-inline void
++void
+ draw_fire(unsigned int load)
+ {
+ 	int x, y, i, j;