* configure.in: Expurgate `broken_install' (install is

        autoconfed).

        * configure.lang: Substitute autoconfed ${INSTALL} (not currently
        relevant).
From Dave love.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@14823 138bc75d-0d04-0410-961f-82ee72b054a4