* nlmcode.h (nlm_get_reloc_upper_bound): Test return value

	* nlmcode.h (nlm_get_reloc_upper_bound):  Test return value
	of nlm_slurp_symbol_table as boolean, not pointer.
	* nlmcode.h (nlm_canonicalize_reloc):  Test return value
	of nlm_slurp_reloc_fixups as boolean, not pointer.