Fix build on Windows

diff --git a/win32/build/config.w32.h.in b/win32/build/config.w32.h.in
index 11d6aaead654ed2da116176ad2363fb007f10a72..10fc9961ed8347b42c8d20801dc34112b3a8b930 100644 (file)
--- a/win32/build/config.w32.h.in
+++ b/win32/build/config.w32.h.in
@@ -159,3 +159,4 @@
 #endif
 #define HAVE_STDLIB_H 1
 
+#define va_copy(ap1, ap2) memcpy(&ap1, &ap2, sizeof(va_list))