Remove compile warning.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5098 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CXMeshFileLoader.cpp

@@ -1641,7 +1641,7 @@ bool CXMeshFileLoader::parseDataObjectAnimationTicksPerSecond()
 		return false;
 	}
 
-	AnimatedMesh->setAnimationSpeed(ticks);
+	AnimatedMesh->setAnimationSpeed(static_cast<irr::f32>(ticks));
 
 	return true;
 }