fix a bug that prevents the wgt634u from initializing the filesystem properly

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@3601 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/default/bin/firstboot

@@ -37,6 +37,8 @@ pivot() { # <new_root> <old_root>
 	pivot_root $1 $1$2 && {
 		mount -o move $2/dev /dev
 		mount -o move $2/tmp /tmp
+		mount -o move $2/sys /sys
+		return 0
 	}
 }
 

package/base-files/default/sbin/mount_root

@@ -22,9 +22,13 @@ if [ "$1" != "failsafe" ]; then
 		. /bin/firstboot
 		is_dirty 
 		[ $? != 0 ] && {
-			mount /dev/mtdblock/4 /jffs
+			echo "switching to jffs2"
+			mount /dev/mtdblock/4 /jffs -t jffs2
 			pivot /jffs /rom
-		} || ramoverlay
+		} || {
+			echo "jffs2 unusable; using ramdisk"
+			ramoverlay
+		}
 	fi
 fi