* lib/Makefile.in: Add .NOTPARALLEL target since dlltool cannot run in parallel

invocations.
* lib/scrnsave.c (WinMain): Trivial change to avoid a compiler warning.

winsup/w32api/lib/scrnsave.c

@@ -156,6 +156,7 @@ int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hPrevInst,
         case '/':
         case ' ':
         default:
+	  ;
         }
     }
   LaunchConfig();