Minor HTML5 window init fix

src/lime/_internal/backend/html5/HTML5Window.hx

@@ -88,6 +88,8 @@ class HTML5Window {
 		var attributes = parent.__attributes;
 		if (!Reflect.hasField (attributes, "context")) attributes.context = {};
 
+		renderType = attributes.context.type;
+
 		if (Reflect.hasField (attributes, "element")) {
 
 			parent.element = attributes.element;

src/lime/graphics/RenderContextAttributes.hx

@@ -43,6 +43,7 @@ typedef RenderContextAttributes = {
 		The type of render context requested
 	**/
 	@:optional var type:RenderContextType;
+	
 	@:optional var version:String;
 
 	/**