cccp.c (xstrdup): Renamed from `savestring'.

cccp.c (xstrdup): Renamed from `savestring'.

        * cccp.c (xstrdup): Renamed from `savestring'.  All callers changed.
        Remove prototype which we get from libiberty.h.
        * collect2.c (xstrdup): Likewise.
        * genextract.c (xstrdup): Likewise for `copystr'.
        (mybzero): Remove it and use `memset' instead.
        * genoutput.c (mybcopy, mybzero): Remove these.  All callers changed
        to use `memcpy' and `memset' instead.
        * genrecog.c (xstrdup): Renamed from `copystr'.  All callers
        changed.  Remove prototype.
        (mybcopy, mybzero): Remove these and use memcpy/memset.

From-SVN: r24650