add use_64_bit_processor parameter to function write_options_file

Mac/PmCleanSystem.icl

@@ -527,7 +527,7 @@ Link linker` winfun path
 									err  -> (err,ps)
 	| err <> NoDirError
 		= (winfun ["Linker error: Unable to access or create: "+++optdirpath] ps,False)
-	# (options_file_ok,ps)		= accFiles (write_options_file optionspathname flags hs ss initial_heap_size heap_size_multiple minheap) ps
+	# (options_file_ok,ps)		= accFiles (write_options_file optionspathname flags hs ss initial_heap_size heap_size_multiple minheap use_64_bit_processor) ps
 	| not options_file_ok
 		= (winfun ["Linker error: Could not write the options object file: "+++optionspathname] ps,False)
 	# linkopts =