updated for version 7.0121
diff --git a/src/vim.h b/src/vim.h
index 51b7c10..c59b57b 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -413,6 +413,9 @@
 #ifdef HAVE_WCTYPE_H
 # include <wctype.h>
 #endif
+#ifdef HAVE_STDARG_H
+# include <stdarg.h>
+#endif
 
 /* ================ end of the header file puzzle =============== */