Authors: Andreas Mohr <amohr@codeweavers.com>, Dimitrie O. Paun <dimi@cs.toronto.edu>, Patrik Stridvall <ps@leissner.se>
Various warning fixes.

diff --git a/msdos/vga.c b/msdos/vga.c
index 13a716b..a17aa5a 100644
--- a/msdos/vga.c
+++ b/msdos/vga.c
@@ -221,9 +221,8 @@
 void CALLBACK VGA_Poll( ULONG_PTR arg )
 {
     char *dat;
-    unsigned Pitch,Height,Width;
+    unsigned int Pitch,Height,Width,Y,X;
     char *surf;
-    int Y,X;
 
     if (!InterlockedExchangeAdd(&vga_polling, 1)) {
         /* FIXME: optimize by doing this only if the data has actually changed