diff --git a/Straight_skeleton_2/dont_submit b/Straight_skeleton_2/dont_submit
index aa8daccdea9..a7656379b57 100644
--- a/Straight_skeleton_2/dont_submit
+++ b/Straight_skeleton_2/dont_submit
@@ -3,3 +3,4 @@ edg_to_regions*
 Doxyfile
 *kdevelop*
 *kdevses*
+dll
\ No newline at end of file