* configure: Rebuilt.
	* configure.in: Added inet_ntoa to AC_CHECK_FUNCS.
	* include/config.h.in: Rebuilt.
	* java/net/natPlainDatagramSocketImpl.cc: Added header checking.
	(mcastGrp): Updated FIXME comments.
	(setOption): Fixed typo.
	(getOption):Implemented IP_MULTICAST_IF.

From-SVN: r27929