Fix masking not taking effect for SVG paths

Due to the fact that in the process of restoring the translation of the
path, we were also restoring any applied masks before they could be used.

src/jcanvas.js

@@ -3450,9 +3450,10 @@ $.fn.drawPath = function drawPath(args) {
 			params = new jCanvasObject(args);
 			if (params.d) {
 				// The only way to offset an SVG path drawn with Path2D() is to
-				// translate it (making sure we restore it at the end of the
-				// method)
-				ctx.save();
+				// translate it (making sure we undo the translation it at the
+				// end of the method); note that we cannot use ctx.save() and
+				// ctx.restore() because it would cause any masking to be undone
+				// at the end of the drawPath() code
 				ctx.translate(params.x, params.y);
 				params._path = caches.pathCache[params.d] || new Path2D(params.d);
 				caches.pathCache[params.d] = params._path;
@@ -3495,7 +3496,7 @@ $.fn.drawPath = function drawPath(args) {
 
 				// Remember to restore the earlier translation
 				if (params.d) {
-					ctx.restore();
+					ctx.translate(-params.x, -params.y);
 				}
 
 			}