fix bug in mount script

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7177 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/files/sbin/mount_root

@@ -2,8 +2,6 @@
 # Copyright (C) 2006 OpenWrt.org
 . /etc/functions.sh
 
-mkdir -p /dev/pts /dev/shm
-mount none /dev/pts -t devpts
 mount none /proc -t proc
 
 size=$(awk '/MemTotal:/ {l=5242880;mt=($2*1024);print((s=mt/2)<l)?mt-l:s}' /proc/meminfo)
@@ -25,6 +23,9 @@ else
 	HOTPLUG=
 fi
 
+mkdir -p /dev/pts /dev/shm
+mount none /dev/pts -t devpts
+
 # the shell really doesn't like having stdin/out closed
 # that's why we use /dev/pty/m0 and m1 as replacement
 # for /dev/console if there's no serial console available