UniformUtils: Code clean up.

src/renderers/shaders/UniformsUtils.js

@@ -6,13 +6,13 @@ THREE.UniformsUtils = {
 
 	merge: function ( uniforms ) {
 
-		var u, p, tmp, merged = {};
+		var merged = {};
 
-		for ( u = 0; u < uniforms.length; u ++ ) {
+		for ( var u = 0; u < uniforms.length; u ++ ) {
 
-			tmp = this.clone( uniforms[ u ] );
+			var tmp = this.clone( uniforms[ u ] );
 
-			for ( p in tmp ) {
+			for ( var p in tmp ) {
 
 				merged[ p ] = tmp[ p ];
 
@@ -26,15 +26,15 @@ THREE.UniformsUtils = {
 
 	clone: function ( uniforms_src ) {
 
-		var u, p, parameter, parameter_src, uniforms_dst = {};
+		var uniforms_dst = {};
 
-		for ( u in uniforms_src ) {
+		for ( var u in uniforms_src ) {
 
 			uniforms_dst[ u ] = {};
 
-			for ( p in uniforms_src[ u ] ) {
+			for ( var p in uniforms_src[ u ] ) {
 
-				parameter_src = uniforms_src[ u ][ p ];
+				var parameter_src = uniforms_src[ u ][ p ];
 
 				if ( parameter_src instanceof THREE.Color ||
 					 parameter_src instanceof THREE.Vector2 ||