* elf64-hppa.c (allocate_global_data_opd): We don't need an opd entry

	* elf64-hppa.c (allocate_global_data_opd): We don't need an opd entry
	for a symbol that has no output section.
	(allocate_dynrel_entries): Correct comment.
	(elf64_hppa_finalize_dynreloc): Likewise.  Don't create an opd entry
	unless we want one.
	(elf64_hppa_finalize_opd): Prevent segfault if dyn_h is NULL.
	(elf64_hppa_finalize_dlt): Likewise.  Prevent segfault for symbols
	with no section.  Remove unnecessary parentheses.