Remove superfluous parantheses (causing warnings in clang).

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4765 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CAnimatedMeshSceneNode.cpp

@@ -94,7 +94,7 @@ void CAnimatedMeshSceneNode::buildFrameNr(u32 timeMs)
 		}
 	}
 
-	if ((StartFrame==EndFrame))
+	if (StartFrame==EndFrame)
 	{
 		CurrentFrameNr = (f32)StartFrame; //Support for non animated meshes
 	}