They either work around missing implementations in uClibc 0.9.30 and
earlier and add already present functionality.
Closes#11210, #11211.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35710 3c298f89-4303-0410-b956-a3cf2f4a3e73