graphviz.ffi: use unless-zero.

db4
John Benediktsson 2012-06-22 08:36:56 -07:00
parent 69d11c08e0
commit 53c43429de
1 changed files with 1 additions and 1 deletions

View File

@ -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