Fixed damaged building memory leak

core/src/mindustry/world/Tile.java

@@ -675,7 +675,7 @@ public class Tile implements Position, QuadTreeObject, Displayable{
         build.health = health;
 
         if(build.damaged()){
-            indexer.notifyTileDamaged(build);
+            indexer.notifyBuildDamaged(build);
         }
     }
 

core/src/mindustry/world/blocks/ConstructBlock.java

@@ -84,6 +84,11 @@ public class ConstructBlock extends Block{
             if(builder != null && builder.getControllerName() != null){
                 tile.build.lastAccessed = builder.getControllerName();
             }
+
+            //make sure block indexer knows it's damaged
+            if(tile.build.damaged()){
+                indexer.notifyBuildDamaged(tile.build);
+            }
         }
 
         //last builder was this local client player, call placed()