DirectGeometry: Clean up.

src/core/DirectGeometry.js

@@ -118,9 +118,11 @@ THREE.DirectGeometry.prototype = {
 		var morphTargets = geometry.morphTargets;
 		var morphTargetsLength = morphTargets.length;
 
+		var morphTargetsPosition;
+
 		if ( morphTargetsLength > 0 ) {
 
-			var morphTargetsPosition = [];
+			morphTargetsPosition = [];
 
 			for ( var i = 0; i < morphTargetsLength; i ++ ) {
 
@@ -135,9 +137,11 @@ THREE.DirectGeometry.prototype = {
 		var morphNormals = geometry.morphNormals;
 		var morphNormalsLength = morphNormals.length;
 
+		var morphTargetsNormal;
+
 		if ( morphNormalsLength > 0 ) {
 
-			var morphTargetsNormal = [];
+			morphTargetsNormal = [];
 
 			for ( var i = 0; i < morphNormalsLength; i ++ ) {