libsndfile: moved to github

git-svn-id: svn://svn.openwrt.org/openwrt/packages@41417 3c298f89-4303-0410-b956-a3cf2f4a3e73
speex: moved to github

git-svn-id: svn://svn.openwrt.org/openwrt/packages@41418 3c298f89-4303-0410-b956-a3cf2f4a3e73
alsa-lib: moved to github

git-svn-id: svn://svn.openwrt.org/openwrt/packages@41419 3c298f89-4303-0410-b956-a3cf2f4a3e73
tcp_wrappers: moved to github

git-svn-id: svn://svn.openwrt.org/openwrt/packages@41423 3c298f89-4303-0410-b956-a3cf2f4a3e73