--- files/patch-src__vasprintf.c	(revision 0)
+++ files/patch-src__vasprintf.c	(working copy)
@@ -0,0 +1,10 @@ 
+--- src/vasprintf.c.orig	2014-09-05 11:06:59 UTC
++++ src/vasprintf.c
+@@ -42,6 +42,7 @@
+ #endif /* HAVE_VA_COPY */
+ 
+ #ifdef HAVE_WCHAR_H
++#include <stddef.h>
+ #include <wchar.h>
+ #endif
+