Avoid a critical warning during tab DND

https://bugzilla.gnome.org/show_bug.cgi?id=639380

diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index 12399915f253940024e13a37f4ec22f1943eff22..8e01b9c0b447445d19512f55701dbc1f601bea8e 100644 (file)
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -4095,7 +4095,7 @@ gtk_render_frame_gap (GtkStyleContext *context,
   g_return_if_fail (cr != NULL);
   g_return_if_fail (width > 0);
   g_return_if_fail (height > 0);
-  g_return_if_fail (xy0_gap < xy1_gap);
+  g_return_if_fail (xy0_gap <= xy1_gap);
   g_return_if_fail (xy0_gap >= 0);
 
   if (gap_side == GTK_POS_LEFT ||