PR binutils/13219

	PR binutils/13219
	* readelf.c (GET_ELF_SYMBOLS): Add sym_count parameter.
	(get_32bit_elf_symbols): Add num_syms_return argument.
	Return the number of symbols loaded into the symbol table.
	(get_64bit_elf_symbols): Likewise.
	(process_section_headers): Use GET_ELF_SYMBOLS to initialise
	symbol count.
	(proces_relocs): Likewise.
	(ia64_process_unwind): Likewise.
	(hppa_process_unwind): Likewise.
	(arm_process_unwind): Likewise.
	(process_dynamic_section): Likewise.
	(process_version_sections): Likewise.
	(process_symbol_table): Likewise.
	(process_section_groups): Likewise.
	Add check before indexing into the symbol table.
	(apply_relocations): Likewise.