Correcting wrong merge 21c46e44

Source commit: 8cb15d558b8a34b5a3617d2a8a0dfcf6fc2290e1

source/putty/windows/winnet.c

@@ -1654,8 +1654,8 @@ void select_result(WPARAM wParam, LPARAM lParam)
         if (err != 0)
 	{
             plug_closing(s->plug, winsock_error_string(err), err, 0);
-            return;
 	}
+        return;
     }
 
     noise_ultralight(NOISE_SOURCE_IOID, wParam);