- added some missing End... calls in player deserialization code.

- fixed reading of music name.

In its current state the code is now capable of reading an E1M1 savegame and continuing play.

src/d_netinfo.cpp

@@ -948,6 +948,7 @@ void ReadUserInfo(FSerializer &arc, userinfo_t &info, FString &skin)
 				}
 			}
 		}
+		arc.EndObject();
 	}
 }