procd: fix overflow in hotplug socket on certain targets

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41142 3c298f89-4303-0410-b956-a3cf2f4a3e73
curl: move to core packages


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41143 3c298f89-4303-0410-b956-a3cf2f4a3e73