sh.c: Do not include algorithm.

	* config/sh/sh.c: Do not include algorithm.
	(sh_emit_scc_to_t): Replace open-coded swap with std::swap
	to swap values.
	(sh_emit_compare_and_branch): Ditto.
	(sh_emit_compare_and_set): Ditto.
	* config/sh/sh.md (replacement peephole2): Ditto.
	(cstore4_media): Ditto.
	(*fmasf4): Ditto.

From-SVN: r217626