cmd_ext2.c: fix compile warnings

Get rid of these warnings:

cmd_ext2.c:247: warning: format '%ld' expects type 'long int', but argument 2 has type 'int'
cmd_ext2.c:248: warning: format '%lX' expects type 'long unsigned int', but argument 3 has type 'int'

Signed-off-by: Wolfgang Denk <wd@denx.de>

common/cmd_ext2.c

@@ -244,8 +244,8 @@ int do_ext2load (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 	/* Loading ok, update default load address */
 	load_addr = addr;
 
-	printf ("\n%ld bytes read\n", filelen);
-	sprintf(buf, "%lX", filelen);
+	printf ("\n%d bytes read\n", filelen);
+	sprintf(buf, "%X", filelen);
 	setenv("filesize", buf);
 
 	return(filelen);