[PATCH] winecrt0: Correct compile error under x86

[Alistair Leslie-Hughes]

Using gcc version 4.8.4.

Signed-off-by: Alistair Leslie-Hughes 
---
 dlls/winecrt0/debug.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/winecrt0/debug.c b/dlls/winecrt0/debug.c
index d7c170c..69a3ea7 100644
--- a/dlls/winecrt0/debug.c
+++ b/dlls/winecrt0/debug.c
@@ -24,6 +24,7 @@
 #include "wine/port.h"

#include <stdio.h>
+#include <stdarg.h>
 #include "windef.h"
 #include "winbase.h"
 #include "wine/debug.h"