fix assert when choosing TYPE_PORTAL

stepmania/src/ScreenSelectMusic.cpp

@@ -1067,7 +1067,9 @@ void ScreenSelectMusic::MenuStart( PlayerNumber pn )
 	// a song was selected
 	switch( m_MusicWheel.GetSelectedType() )
 	{
-	case TYPE_SONG: {
+	case TYPE_SONG:
+	case TYPE_PORTAL:
+		{
 			const bool bIsNew = PROFILEMAN->IsSongNew( m_MusicWheel.GetSelectedSong() );
 			bool bIsHard = false;
 			FOREACH_PlayerNumber( p )
@@ -1106,9 +1108,9 @@ void ScreenSelectMusic::MenuStart( PlayerNumber pn )
 			 * in course mode).  Make sure we're in a single song mode. */
 			if( GAMESTATE->IsCourseMode() )
 				GAMESTATE->m_PlayMode = PLAY_MODE_ARCADE;
-
-		break;
 		}
+		break;
+
 	case TYPE_COURSE:
 		{
 			SOUND->PlayOnceFromAnnouncer( "select course comment general" );
@@ -1125,11 +1127,11 @@ void ScreenSelectMusic::MenuStart( PlayerNumber pn )
 			}
 
 			m_bMadeChoice = true;
-
-		break;
 		}
+		break;
 	case TYPE_SECTION:
 	case TYPE_ROULETTE:
+	case TYPE_RANDOM:
 	case TYPE_SORT:
 		break;
 	default: