graphviz.ffi: use unless-zero.

2012-06-22 08:36:56 -07:00 · 2012-06-22 08:36:56 -07:00 · 53c43429de
parent 69d11c08e0
commit 53c43429de
1 changed files with 1 additions and 1 deletions
--- a/extra/graphviz/ffi/ffi.factor
+++ b/extra/graphviz/ffi/ffi.factor
@ -105,7 +105,7 @@ M: ffi-errors error.
    "(The messages were probably printed to STDERR.)" print ;

 : gvFreeContext ( gvc -- )
-    int-gvFreeContext [ ] [ ffi-errors ] if-zero ;
+    int-gvFreeContext [ ffi-errors ] unless-zero ;

 DESTRUCTOR: gvFreeContext