Make FlagSet to bool conversion operator explicit. Fixes #2631.
Make FlagSet to bool conversion operator explicit. Fixes #2631.

henu/Urho3D,PredatorMF/Urho3D,PredatorMF/Urho3D,SuperWangKai/Urho3D,eugeneko/Urho3D,orefkov/Urho3D,bacsmar/Urho3D,eugeneko/Urho3D,rokups/Urho3D,orefkov/Urho3D,orefkov/Urho3D,urho3d/Urho3D,rokups/Urho3D,bacsmar/Urho3D,henu/Urho3D,eugeneko/Urho3D,henu/Urho3D,SuperWangKai/Urho3D,rokups/Urho3D,henu/Urho3D,rokups/Urho3D,eugeneko/Urho3D,SuperWangKai/Urho3D,bacsmar/Urho3D,rokups/Urho3D,PredatorMF/Urho3D,PredatorMF/Urho3D,urho3d/Urho3D,rokups/Urho3D,orefkov/Urho3D,SuperWangKai/Urho3D,bacsmar/Urho3D,henu/Urho3D,urho3d/Urho3D,urho3d/Urho3D,SuperWangKai/Urho3D