[gtk+/gtk-3-4] Bug 670499-gdk/gdkrgba.c: Include fallback-c89.c

[Chun-wei Fan <fanchunwei src gnome org>]

commit 49deb19d699f47b4e545752c02e496a103ed3fe9
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Thu Apr 5 23:03:28 2012 +0800

    Bug 670499-gdk/gdkrgba.c: Include fallback-c89.c
    
    Include (gdk/)fallback-c89.c as isnan() and isinf() is used.

 gdk/gdkrgba.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gdk/gdkrgba.c b/gdk/gdkrgba.c
index c93c41c..8d314f2 100644
--- a/gdk/gdkrgba.c
+++ b/gdk/gdkrgba.c
@@ -28,6 +28,8 @@
 #include <errno.h>
 #include <math.h>
 
+#include "fallback-c89.c"
+
 /**
  * SECTION:rgba_colors
  * @Short_description: RGBA colors