ParticleEffect.cpp: fix warnings
ParticleEffect.cpp: fix warnings

urho3d/Urho3D,bacsmar/Urho3D,urho3d/Urho3D,eugeneko/Urho3D,PredatorMF/Urho3D,urho3d/Urho3D,bacsmar/Urho3D,urho3d/Urho3D,PredatorMF/Urho3D,eugeneko/Urho3D,bacsmar/Urho3D,eugeneko/Urho3D,eugeneko/Urho3D,orefkov/Urho3D,orefkov/Urho3D,PredatorMF/Urho3D,bacsmar/Urho3D,PredatorMF/Urho3D,orefkov/Urho3D,orefkov/Urho3D