Make the rock-growth flag affect obsidian forming, too

Author: TomyLobo

worldguard-bukkit/src/main/java/com/sk89q/worldguard/bukkit/listener/WorldGuardBlockListener.java

@@ -533,6 +533,19 @@ public void onBlockForm(BlockFormEvent event) {
                 return;
             }
         }
+
+        if (type == Material.OBSIDIAN) {
+            if (wcfg.disableRockGrowth) {
+                event.setCancelled(true);
+                return;
+            }
+
+            if (wcfg.useRegions && !StateFlag.test(WorldGuard.getInstance().getPlatform().getRegionContainer().createQuery()
+                .queryState(BukkitAdapter.adapt(event.getBlock().getLocation()), (RegionAssociable) null, Flags.ROCK_GROWTH))) {
+                event.setCancelled(true);
+                return;
+            }
+        }
     }
 
     /*