app: forgot precondition checks in gimpdisplayshell-grab.c

2011-02-20 13:16:46 +01:00
parent d504eeb048
commit b338aa0e71
1 changed files with 2 additions and 0 deletions
--- a/app/display/gimpdisplayshell-grab.c
+++ b/app/display/gimpdisplayshell-grab.c
@ -59,6 +59,8 @@ void
 gimp_display_shell_pointer_ungrab (GimpDisplayShell *shell,
                                   GdkEvent         *event)
 {
+  g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
+  g_return_if_fail (event != NULL);
  g_return_if_fail (shell->pointer_grabbed == TRUE);

  gdk_display_pointer_ungrab (gtk_widget_get_display (shell->canvas),