pass -stdwin to the compiler for async compilation

Mac/PmCleanSystem.icl

@@ -1100,7 +1100,7 @@ get_compiler_psn compiler_full_path slot compiler_psns ps
 start_compiler :: !String !*e -> (!Int,!PSN,!*e) | FileEnv e;
 start_compiler compiler_full_path ps
 	# clean_compiler_file_name = "'"+++to_unix_path compiler_full_path+++"'"
-	# (result,pid) = fork_execv_pid (clean_compiler_file_name+++"\0")
+	# (result,pid) = fork_execv_pid (clean_compiler_file_name+++" -stdwin"+++"\0")
 	| result<>0
 		= (result,{highLongOfPSN=0,lowLongOfPSN=0},ps);
 	= GetProcessForPID_ pid ps;