[gdk-pixbuf] gdk-pixbuf: Add constant for "default fill"

[Bastien Nocera <hadess src gnome org>]

commit 422817328f5c8190c7c727112e88ea453bf6be2b
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Dec 28 16:07:49 2016 +0100

    gdk-pixbuf: Add constant for "default fill"
    
    This colour should be used to complete truncated images, rather than
    using random garbage from uninitialised memory.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=696331

 gdk-pixbuf/gdk-pixbuf-private.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gdk-pixbuf/gdk-pixbuf-private.h b/gdk-pixbuf/gdk-pixbuf-private.h
index 882a857..cd26895 100644
--- a/gdk-pixbuf/gdk-pixbuf-private.h
+++ b/gdk-pixbuf/gdk-pixbuf-private.h
@@ -52,6 +52,9 @@ typedef struct _GdkPixbufClass GdkPixbufClass;
 #define DPM_TO_DPI(value) ((int) round ((value) * 25.4 / 1000))
 #define DPCM_TO_DPI(value) ((int) round ((value) * 2.54))
 
+/* Default fill color */
+#define DEFAULT_FILL_COLOR 0x979899ff
+
 /* Private part of the GdkPixbuf structure */
 struct _GdkPixbuf {
         GObject parent_instance;