static windows build compatibility

diff --git a/lib/ast/strton.c b/lib/ast/strton.c
index 9fb311159695ecb81f0f0a6d0bbc2ae4f381042c..f30dc65b2acbda99939a8dcf2123bb42a76b855f 100644 (file)
--- a/lib/ast/strton.c
+++ b/lib/ast/strton.c
@@ -57,7 +57,11 @@
 #include <ctype.h>
 
 /* For graphviz, only unthreaded */
+#ifdef WIN32_STATIC
+#undef vt_threaded 0
+#else
 #define vt_threaded 0
+#endif
 
 #include "sfhdr.h"