add winsup.h

diff --git a/winsup/cygwin/regexp/regerror.c b/winsup/cygwin/regexp/regerror.c
index c595a04..afd7a86 100644 (file)
--- a/winsup/cygwin/regexp/regerror.c
+++ b/winsup/cygwin/regexp/regerror.c
@@ -1,3 +1,4 @@
+#include "winsup.h"
 #include "regexp.h"
 #include <stdio.h>