Fixed header dependencies to be fully compatible with the Windows
headers (with help from Dimitrie O. Paun).

diff --git a/dlls/kernel/resource16.c b/dlls/kernel/resource16.c
index 31af22f..8cfbe60 100644
--- a/dlls/kernel/resource16.c
+++ b/dlls/kernel/resource16.c
@@ -24,11 +24,13 @@
 #include "config.h"
 #include "wine/port.h"
 
+#include <stdarg.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
 
 #include "windef.h"
+#include "winbase.h"
 #include "wownt32.h"
 #include "wine/winbase16.h"
 #include "wine/winuser16.h"