* unwind-libunwind.c (uw_frame_state_for): Adjust for libunwind

        v0.9 API change: replace read of UNW_REG_HANDLER with
        unw_get_proc_info().
        (_Unwind_GetLanguageSpecificData): Replace read of UNW_REG_LSDA
        with unw_get_proc_info().
        (_Unwind_GetRegionStart): Replace UNW_REG_PROC_START with
        unw_get_proc_info().


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@64927 138bc75d-0d04-0410-961f-82ee72b054a4