* config/atof-vax.c (atof_vax_sizeof): Change return type to unsigned.

	* config/atof-vax.c (atof_vax_sizeof): Change return type to unsigned.
	(md_atof): Make number_of_chars unsigned.  Revert last change.
	* config/tc-or32.c (md_apply_fix): Delete bogus assertions.
	* config/tc-sh.c (sh_optimize_expr): Only define for OBJ_ELF.
	* config/tc-sh.h (md_optimize_expr): Likewise.
	* config/tc-sh64.c (shmedia_md_pcrel_from_section): Delete bogus
	assertion.
	* config/tc-xtensa.c (convert_frag_immed_finish_loop): Likewise.