Fixed a bug involving the wrong indirection level in a pointer

tree_alloc.c

@@ -389,16 +389,16 @@ int add_new_region(Arena *arena, uintptr_t size, uintptr_t padding, uintptr_t al
       while (head->right != NULL) {
         head = head->right;
       }
-      insert_right((TreeAlloc**) arena->root_freespace, (TreeAlloc*) newreg, (TreeAlloc*) head);
+      insert_right((TreeAlloc**) &arena->root_freespace, (TreeAlloc*) newreg, (TreeAlloc*) head);
+    }
 #ifdef DEBUG
-      printf("= POST-REGION-CREATION =\n");
-      printf("==== FREESPACE TREE ====\n");
-      debug_print_tree(0, arena->root_freespace);
-      printf("==== TREEALLOC TREE ====\n");
-      debug_print_tree(0, arena->root_treealloc);
-      printf("===== END OF TREES =====\n");
+    printf("= POST-REGION-CREATION =\n");
+    printf("==== FREESPACE TREE ====\n");
+    debug_print_tree(0, arena->root_freespace);
+    printf("==== TREEALLOC TREE ====\n");
+    debug_print_tree(0, arena->root_treealloc);
+    printf("===== END OF TREES =====\n");
 #endif
-    }
     return 1;
 }