* psymtab.c (PSYMTAB_TO_SYMTAB): Remove.

	(find_pc_sect_symtab_from_partial, lookup_symbol_aux_psymtabs)
	(lookup_partial_symbol, find_last_source_symtab_from_partial)
	(read_psymtabs_with_filename, map_matching_symbols_psymtab)
	(expand_symtabs_matching_via_partial, maintenance_check_symtabs):
	Update.