* ltcf-cxx.sh (irix5*, irix6*): Prefix -soname and its arg with ${wl}.

	* ltconfig (irix5*, irix6*): Don't override version_type.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72152 138bc75d-0d04-0410-961f-82ee72b054a4