sculpt-dev: Fix a couple of memory leaks.

source/blender/blenkernel/intern/pbvh_bmesh.c

@@ -2620,6 +2620,8 @@ ATTR_NO_OPT bool BKE_pbvh_bmesh_update_topology_nodes(PBVH *pbvh,
     modified = true;
   }
 
+  BLI_array_free(nodes);
+
   return modified;
 }
 
@@ -3828,6 +3830,7 @@ static void pbvh_bmesh_balance_tree(PBVH *pbvh)
   MEM_SAFE_FREE(overlaps);
   BLI_array_free(stack);
   BLI_array_free(substack);
+  MEM_SAFE_FREE(depthmap);
 }
 
 static void pbvh_bmesh_join_nodes(PBVH *bvh)

source/blender/blenlib/intern/heap_minmax.c

@@ -65,6 +65,7 @@ void BLI_mm_heap_clear(MinMaxHeap *heap, MinMaxHeapFreeFP ptrfreefp)
     }
   }
 
+  MEM_SAFE_FREE(heap->nodes);
   heap->totnode = 0;
 }