Update libpinyin to version 2.3.0
Recent libpinyin 2.3.0 has drop its gnome-common dependency!
https://github.com/libpinyin/libpinyin/commit/01790e725a92457cfaa2ef95f2687dafbbfeae56
Recent libpinyin 2.3.0 has drop its gnome-common dependency!
https://github.com/libpinyin/libpinyin/commit/01790e725a92457cfaa2ef95f2687dafbbfeae56