[gdk-pixbuf] Avoid a possible divide-by-zero

[Matthias Clasen <matthiasc src gnome org>]

commit 74c418ba2e41ab9e2287420378a6192788b1fab6
Author: Sarita Rawat <sarita rawat samsung com>
Date:   Fri Jun 5 06:56:00 2015 +0000

    Avoid a possible divide-by-zero
    
    Pointed out in
    
    https://bugzilla.gnome.org/show_bug.cgi?id=750440

 gdk-pixbuf/gdk-pixbuf-loader.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gdk-pixbuf/gdk-pixbuf-loader.c b/gdk-pixbuf/gdk-pixbuf-loader.c
index 65845ed..668b703 100644
--- a/gdk-pixbuf/gdk-pixbuf-loader.c
+++ b/gdk-pixbuf/gdk-pixbuf-loader.c
@@ -330,7 +330,7 @@ gdk_pixbuf_loader_prepare (GdkPixbuf          *pixbuf,
         else
                 anim = gdk_pixbuf_non_anim_new (pixbuf);
   
-       if (priv->needs_scale) {
+       if (priv->needs_scale && width != 0 && height != 0) {
                priv->animation  = GDK_PIXBUF_ANIMATION (_gdk_pixbuf_scaled_anim_new (anim,
                                          (double) priv->width / width,
                                          (double) priv->height / height,