Fix for explosion effects playing when the game is paused

apps/openmw/mwrender/renderingmanager.cpp

@@ -350,7 +350,9 @@ namespace MWRender
 
     void RenderingManager::update(float dt, bool paused)
     {
-        mEffectManager->update(dt);
+        if (!paused)
+            mEffectManager->update(dt);
+
         mSky->update(dt);
         mWater->update(dt);
         mCamera->update(dt, paused);