Fix memory access violations for objdump triggered by fuzzed binaries.

Fix memory access violations for objdump triggered by fuzzed binaries.

	PR binutils/17512
	* reloc.c (bfd_get_reloc_size): Handle a reloc size of -1.
	(bfd_perform_relocation): Include the size of the reloc in the
	test for an out of range relocation.
	(bfd_generic_get_relocated_section_contents): Remove reloc range
	test.