Fix libphobos linking on Solaris 11

	* m4/druntime/libraries.m4 (DRUNTIME_LIBRARIES_NET): New macro.
	* configure.ac: Invoke it.
	* configure: Regenerate.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@269012 138bc75d-0d04-0410-961f-82ee72b054a4
4 files changed