memleak fix

Engine/source/T3D/levelInfo.cpp

@@ -111,6 +111,11 @@ LevelInfo::LevelInfo()
 LevelInfo::~LevelInfo()
 {
    LightManager::smActivateSignal.remove(this, &LevelInfo::_onLMActivate);
+   if (!mAccuTexture.isNull())
+   {
+      mAccuTexture.free();
+      gLevelAccuMap.free();
+   }
 }
 
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