fix compile warnings of rom_stream.c (trivial)

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3450 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/stream/rom_stream.c b/src/stream/rom_stream.c
index 39bae75..4386649 100644
--- a/src/stream/rom_stream.c
+++ b/src/stream/rom_stream.c
@@ -80,8 +80,8 @@
 #if _RAMBASE<0x00100000
 	olen = *(unsigned int *)dest;
 #if (CONFIG_CONSOLE_VGA==1) || (CONFIG_PCI_ROM_RUN == 1)
-	if((dest < 0xa0000) && ((dest+olen)>0xa0000)) {
-		dest = (CONFIG_LB_MEM_TOPK<<10);
+	if((dest < (unsigned char *)0xa0000) && ((dest+olen)>(unsigned char *)0xa0000)) {
+		dest = (unsigned char *)(CONFIG_LB_MEM_TOPK<<10);
 	}
 #endif
         if((dest < (unsigned char *) 0xf0000) && ((dest+olen)> (unsigned char *)0xf0000)) { // coreboot tables etc