CC: base-files: fix /tmp/.jail permissions

We need a+x rights on the path to the root of the jails
so we can use users other than root (like nobody)

This partly fixes jailed dnsmasq

Signed-off-by: Etienne CHAMPETIER <champetier.etienne@gmail.com>

Backport of r46466

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@46510 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/files/etc/init.d/boot

@@ -29,7 +29,6 @@ boot() {
 	mkdir -p /tmp/.uci
 	chmod 0700 /tmp/.uci
 	mkdir -p /tmp/.jail
-	chmod 0700 /tmp/.jail
 	touch /var/log/wtmp
 	touch /var/log/lastlog
 	touch /tmp/resolv.conf.auto