luci-mod-admin-full: performance fix

*	uci:get replaced with direct access of value (functions has 3x better performance in that way)

Signed-off-by: Darius Joksas <jok.darius@gmail.com>

modules/luci-mod-admin-full/luasrc/model/cbi/admin_network/ifaces.lua

@@ -53,7 +53,7 @@ local function get_ifstate(name, option)
 
 	m.uci:foreach("luci", "ifstate", function (s)
 		if s.interface == name then
-			val = m.uci:get("luci", s[".name"], option)
+			val = s[option]
 			return false
 		end
 	end)

modules/luci-mod-admin-full/luasrc/model/cbi/admin_network/vlan.lua

@@ -17,7 +17,7 @@ local update_interfaces = function(old_ifname, new_ifname)
 	local info = { }
 
 	m.uci:foreach("network", "interface", function(section)
-		local old_ifnames = m.uci:get("network", section[".name"], "ifname")
+		local old_ifnames = section.ifname
 		local new_ifnames = { }
 		local cur_ifname
 		local changed = false