Improve robustness when FindUrho3D module is called multiple times.
Improve robustness when FindUrho3D module is called multiple times.

Ensure the change to CMake library suffix preferences is not being nullified because user calls the FindUrho3D module more than one time in different scopes.

fire/Urho3D-1,SirNate0/Urho3D,cosmy1/Urho3D,bacsmar/Urho3D,299299/Urho3D,urho3d/Urho3D,abdllhbyrktr/Urho3D,fire/Urho3D-1,victorholt/Urho3D,iainmerrick/Urho3D,SuperWangKai/Urho3D,tommy3/Urho3D,helingping/Urho3D,c4augustus/Urho3D,rokups/Urho3D,MeshGeometry/Urho3D,henu/Urho3D,299299/Urho3D,luveti/Urho3D,rokups/Urho3D,cosmy1/Urho3D,xiliu98/Urho3D,xiliu98/Urho3D,rokups/Urho3D,kostik1337/Urho3D,weitjong/Urho3D,MonkeyFirst/Urho3D,c4augustus/Urho3D,bacsmar/Urho3D,luveti/Urho3D,carnalis/Urho3D,SirNate0/Urho3D,codedash64/Urho3D,SuperWangKai/Urho3D,MonkeyFirst/Urho3D,codemon66/Urho3D,luveti/Urho3D,c4augustus/Urho3D,kostik1337/Urho3D,fire/Urho3D-1,kostik1337/Urho3D,rokups/Urho3D,henu/Urho3D,codedash64/Urho3D,MeshGeometry/Urho3D,fire/Urho3D-1,MeshGeometry/Urho3D,tommy3/Urho3D,fire/Urho3D-1,kostik1337/Urho3D,eugeneko/Urho3D,henu/Urho3D,abdllhbyrktr/Urho3D,henu/Urho3D,iainmerrick/Urho3D,abdllhbyrktr/Urho3D,eugeneko/Urho3D,299299/Urho3D,carnalis/Urho3D,abdllhbyrktr/Urho3D,PredatorMF/Urho3D,weitjong/Urho3D,iainmerrick/Urho3D,helingping/Urho3D,victorholt/Urho3D,weitjong/Urho3D,tommy3/Urho3D,MonkeyFirst/Urho3D,299299/Urho3D,urho3d/Urho3D,PredatorMF/Urho3D,cosmy1/Urho3D,SuperWangKai/Urho3D,iainmerrick/Urho3D,urho3d/Urho3D,orefkov/Urho3D,carnalis/Urho3D,c4augustus/Urho3D,orefkov/Urho3D,PredatorMF/Urho3D,weitjong/Urho3D,SirNate0/Urho3D,codemon66/Urho3D,orefkov/Urho3D,299299/Urho3D,tommy3/Urho3D,eugeneko/Urho3D,tommy3/Urho3D,MonkeyFirst/Urho3D,xiliu98/Urho3D,iainmerrick/Urho3D,helingping/Urho3D,carnalis/Urho3D,MeshGeometry/Urho3D,helingping/Urho3D,weitjong/Urho3D,kostik1337/Urho3D,victorholt/Urho3D,xiliu98/Urho3D,urho3d/Urho3D,codedash64/Urho3D,abdllhbyrktr/Urho3D,xiliu98/Urho3D,codemon66/Urho3D,orefkov/Urho3D,codedash64/Urho3D,henu/Urho3D,victorholt/Urho3D,bacsmar/Urho3D,codedash64/Urho3D,cosmy1/Urho3D,SirNate0/Urho3D,codemon66/Urho3D,codemon66/Urho3D,SirNate0/Urho3D,c4augustus/Urho3D,rokups/Urho3D,victorholt/Urho3D,SuperWangKai/Urho3D,cosmy1/Urho3D,eugeneko/Urho3D,PredatorMF/Urho3D,MonkeyFirst/Urho3D,MeshGeometry/Urho3D,rokups/Urho3D,SuperWangKai/Urho3D,luveti/Urho3D,bacsmar/Urho3D,luveti/Urho3D,299299/Urho3D,helingping/Urho3D,carnalis/Urho3D