[gtk+] snapshot: Avoid a double-free

[Timm Bäder <baedert src gnome org>]

commit 08355997c2666fee0d54f0eb8316f99b0087fac8
Author: Timm Bäder <mail baedert org>
Date:   Tue Feb 14 13:23:08 2017 +0100

    snapshot: Avoid a double-free
    
    We can't pass the same string to two different snapshot states since
    removing one of them will free the passed string, so just create another
    one for the second state.

 gtk/gtksnapshot.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtksnapshot.c b/gtk/gtksnapshot.c
index 7b8bfdd..77146e4 100644
--- a/gtk/gtksnapshot.c
+++ b/gtk/gtksnapshot.c
@@ -742,7 +742,7 @@ gtk_snapshot_push_blend (GtkSnapshot  *snapshot,
   state->data.blend.bottom_node = NULL;
 
   state = gtk_snapshot_state_new (state,
-                                  str,
+                                  g_strdup (str),
                                   state->clip_region,
                                   state->translate_x,
                                   state->translate_y,
@@ -863,7 +863,7 @@ gtk_snapshot_push_cross_fade (GtkSnapshot *snapshot,
   state->data.cross_fade.start_node = NULL;
 
   state = gtk_snapshot_state_new (state,
-                                  str,
+                                  g_strdup (str),
                                   state->clip_region,
                                   state->translate_x,
                                   state->translate_y,