fix warning about unlink() being undeclared

Modified: trunk/reactos/tools/winebuild/main.c

--- trunk/reactos/tools/winebuild/main.c	2005-09-12 03:59:03 UTC (rev 17816)
+++ trunk/reactos/tools/winebuild/main.c	2005-09-12 14:33:57 UTC (rev 17817)
@@ -26,6 +26,7 @@

 
 #include <assert.h>
 #include <stdio.h>

+#include <io.h> /* unlink() */

 #include <signal.h>
 #include <errno.h>
 #include <string.h>