[AArch64/BFD] Sort relocation case labels alphabetically

[AArch64/BFD] Sort relocation case labels alphabetically

2015-05-19  Jiong Wang  <jiong.wang@arm.com>

    bfd/
	* elfnn-aarch64.c (aarch64_tls_transition_without_check): Sort
	relocation case labels alphabetically.
	(elfNN_aarch64_final_link_relocate): Ditto.
	(elfNN_aarch64_tls_relax): Ditto.
	(elfNN_aarch64_relocate_section): Ditto.
	(elfNN_aarch64_gc_sweep_hook): Ditto.
	(elfNN_aarch64_check_relocs): Ditto.
	* elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Ditto.
	(_bfd_aarch64_elf_resolve_relocation): Ditto.