WINTERMUTE: Make Theora-playback fail properly when THEORA isn't compiled in.

engines/wintermute/Base/BGame.cpp

@@ -1476,7 +1476,11 @@ HRESULT CBGame::ScCallMethod(CScScript *Script, CScStack *Stack, CScStack *ThisS
 			}
 			else Stack->PushBool(false);
 		}
-		else Stack->PushBool(false);
+		else {
+			Stack->PushBool(false);
+			delete _theoraPlayer;
+			_theoraPlayer = NULL;
+		}
 		
 		return S_OK;
 	}

engines/wintermute/video/VidTheoraPlayer.cpp

@@ -116,7 +116,7 @@ HRESULT CVidTheoraPlayer::initialize(const Common::String &filename, const Commo
 	if (!_file) return E_FAIL;
 	
 	//if (Filename != _filename) CBUtils::SetString(&_filename, Filename);
-#if defined (USE_THEORA)
+#if defined (USE_THEORADEC)
 	_theoraDecoder = new TheoraDecoder();
 #else
 	return E_FAIL;