add missing guard

related to PR 13741
2013-05-08 13:46:10 -05:00 · 2013-05-08 13:46:10 -05:00 · b9f8d699d3
commit b9f8d699d3
parent a6f110893f
1 changed files with 2 additions and 1 deletions
--- a/collects/drracket/private/frame-icon.rkt
+++ b/collects/drracket/private/frame-icon.rkt
@ -35,5 +35,6 @@
                  (send bdc set-bitmap #f)
                  bm)))
         
-         (send todays-icon set-loaded-mask todays-icon-bw-mask)
+         (when todays-icon-bw-mask
+           (send todays-icon set-loaded-mask todays-icon-bw-mask))
         todays-icon)))