* scripttempl/elf.sc (CTOR): Handle crtbeginS.o, crtendS.o and
other variants of crtbegin.o, crtend.o.
(DTOR): Likewise.
* scripttempl/crisaout.sc (ctors, dtors): Likewise.
* scripttempl/elf_chaos.sc (CTOR, DTOR): Likewise.
* scripttempl/elfd10v.sc (CTOR, DTOR): Likewise.
* scripttempl/elfd30v.sc (CTOR, DTOR): Likewise.
* scripttempl/elfxtensa.sc (CTOR, DTOR): Likewise.
* scripttempl/iq2000.sc (CTOR, DTOR): Likewise.
* scripttempl/mmo.sc (ctors, dtors): Likewise.
* scripttempl/xstormy16.sc (CTOR, DTOR): Likewise.