add LD_LIBRARY_PATH to profile

device/common/br_overlay/etc/profile

-export PATH="/bin:/sbin:/usr/bin:/usr/sbin"
-export PATH="/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/mnt/system/usr/bin:/mnt/system/usr/sbin:/mnt/data/bin:/mnt/data/sbin"
+export PATH="/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin:/mnt/system/usr/bin:/mnt/system/usr/sbin"
+export LD_LIBRARY_PATH="/mnt/system/lib:/mnt/system/usr/lib"
 
 if [ "$PS1" ]; then
 	if [ "`id -u`" -eq 0 ]; then