--- libgig/trunk/src/helper.h	2017/05/21 12:46:05	3198
+++ libgig/trunk/src/helper.h	2017/05/21 17:04:34	3199
@@ -35,6 +35,11 @@
 # define VERSION VER_STRING // VER_STRING defined in libgig_private.h
 #endif // WIN32
 
+#if HAVE_CONFIG_H && !HAVE_VASPRINTF && defined(WIN32)
+# include <stdarg.h>
+int vasprintf(char** ret, const char* format, va_list arg);
+#endif
+
 #include "RIFF.h"
 
 // *************** Helper Functions **************