quattro: readd sparkle cursor

view/theme/quattro/dark/style.css

@@ -899,6 +899,9 @@ section {
   width: 770px;
   padding: 0px 20px 0px 10px;
 }
+.sparkle {
+  cursor: url('icons/lock.cur'), pointer;
+}
 /* wall item */
 .tread-wrapper {
   background-color: #eff0f1;

view/theme/quattro/green/style.css

@@ -899,6 +899,9 @@ section {
   width: 770px;
   padding: 0px 20px 0px 10px;
 }
+.sparkle {
+  cursor: url('icons/lock.cur'), pointer;
+}
 /* wall item */
 .tread-wrapper {
   background-color: #eff0f1;

view/theme/quattro/quattro.less

@@ -422,6 +422,10 @@ section {
 	padding:0px 20px 0px 10px;
 }
 
+.sparkle {
+  cursor: url('icons/lock.cur'), pointer;
+}
+
 /* wall item */
 .tread-wrapper { 
 	background-color: @ThreadBackgroundColor;