Add typecasts to avoid any possibility of signed/unsigned mismatch warnings

Modified: branches/xen/reactos/boot/freeldr/freeldr/arch/i386/xenvideo.c

--- branches/xen/reactos/boot/freeldr/freeldr/arch/i386/xenvideo.c	2005-05-16 20:42:36 UTC (rev 15358)
+++ branches/xen/reactos/boot/freeldr/freeldr/arch/i386/xenvideo.c	2005-05-16 21:20:48 UTC (rev 15359)
@@ -84,7 +84,7 @@

     {
       for (X = 0; X < COLS; X++)
         {

-          ShadowBuffer[2 * (Y * COLS + X)] = ' ';

+          ShadowBuffer[2 * (Y * COLS + X)] = (UCHAR) ' ';

           ShadowBuffer[2 * (Y * COLS + X) + 1] = Attr;
         }
     }
@@ -124,7 +124,7 @@

         }
     }
 

-  if (Ch != ShadowBuffer[2 * (Y * COLS + X)]

+  if ((UCHAR) Ch != ShadowBuffer[2 * (Y * COLS + X)]

       || Attr != ShadowBuffer[2 * (Y * COLS + X) + 1])
     {
       if (X != CurrentX || Y != CurrentY)
@@ -138,7 +138,7 @@

       XenConsPutChar(Ch);
       CurrentX++;
 

-      ShadowBuffer[2 * (Y * COLS + X)] = Ch;

+      ShadowBuffer[2 * (Y * COLS + X)] = (UCHAR) Ch;

       ShadowBuffer[2 * (Y * COLS + X) + 1] = Attr;
     }
 }