add a couple more changes++

Fixes #508

worldedit-core/src/main/java/com/boydti/fawe/beta/implementation/queue/ParallelQueueExtent.java

@@ -157,7 +157,9 @@ public class ParallelQueueExtent extends PassthroughExtent implements IQueueWrap
         }
         // TODO optimize parallel
         for (BlockVector3 blockVector3 : vset) {
-            pattern.apply(this, blockVector3, blockVector3);
+            if (pattern.apply(this, blockVector3, blockVector3)) {
+                this.changes++;
+            }
         }
         return this.changes;
     }

worldedit-core/src/main/java/com/sk89q/worldedit/EditSession.java

@@ -2756,6 +2756,7 @@ public class EditSession extends PassthroughExtent implements AutoCloseable {
             BlockVector3 tipv = interpol.getPosition(loop).toBlockPoint();
             if (radius == 0) {
                 pattern.apply(this, tipv, tipv);
+                changes++;
             } else {
                 vset.add(tipv);
             }