Add parentheses around && within || as gcc -Wall advises.

Modules/main.c

@@ -205,7 +205,7 @@ main(argc, argv)
   	}
 
 	if (Py_VerboseFlag ||
-	    command == NULL && filename == NULL && stdin_is_interactive)
+	    (command == NULL && filename == NULL && stdin_is_interactive))
 		fprintf(stderr, "Python %s\n%s\n",
 			Py_GetVersion(), Py_GetCopyright());