temporary fix for

004f2fec: void debug_crash(void) [00400000+f2fda+12]
004dc1f0: void sm_crash(char const *) [00400000+dc1d5+1b]
005aa73e: class Style const * GameManager::GetFirstCompatibleStyle(class Game const *,int,enum StepsType)const  [00400000+1aa6a9+95]
005ae440: void GameState::JoinPlayer(enum PlayerNumber) [00400000+1ae3c4+7c]
7c421201: MSVCP80!std::char_traits<char>::_Copy_s [7c420000+11ec+15]
00418707: void ScreenEditMenu::Init(void) [00400000+186ee+19]

stepmania/src/ScreenEditMenu.cpp

@@ -31,6 +31,9 @@ REGISTER_SCREEN_CLASS( ScreenEditMenu );
 
 void ScreenEditMenu::Init()
 {
+	/* HACK: Disable any style set by the editor. */
+	GAMESTATE->m_pCurStyle.Set( NULL );
+
 	/* Enable all players. */
 	FOREACH_PlayerNumber( pn )
 		GAMESTATE->JoinPlayer( pn );