Cleanup for GCC-4.x
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 1a40a70..a823b5a 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -83,7 +83,7 @@
 		/* no signature found */
 		return -1;
 	}
-	if(!strncmp(&buffer[DOS_FS_TYPE_OFFSET],"FAT",3)) {
+	if(!strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET],"FAT",3)) {
 		/* ok, we assume we are on a PBR only */
 		cur_part = 1;
 		part_offset=0;