[gtk+] csstransform: Fix comparisons crashing

[Benjamin Otte <otte src gnome org>]

commit 631688cf6457332e13ffdd1f9c18f3be3bc584c2
Author: Benjamin Otte <otte redhat com>
Date:   Fri Dec 19 19:16:47 2014 +0100

    csstransform: Fix comparisons crashing
    
    Transforms of different type are not equal.

 gtk/gtkcsstransformvalue.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkcsstransformvalue.c b/gtk/gtkcsstransformvalue.c
index dbab649..cae3c4c 100644
--- a/gtk/gtkcsstransformvalue.c
+++ b/gtk/gtkcsstransformvalue.c
@@ -328,6 +328,9 @@ static gboolean
 gtk_css_transform_equal (const GtkCssTransform *transform1,
                          const GtkCssTransform *transform2)
 {
+  if (transform1->type != transform2->type)
+    return FALSE;
+
   switch (transform1->type)
     {
     case GTK_CSS_TRANSFORM_MATRIX: