csstransform: Fix comparisons crashing

Transforms of different type are not equal.

diff --git a/gtk/gtkcsstransformvalue.c b/gtk/gtkcsstransformvalue.c
index dbab6491ec3ec80e75cb1272c9c1fb0fc6252e0e..cae3c4ce4cca5898b963105ba8a4358071932e16 100644 (file)
--- 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: