id-pool: Fix memory leak.

This dates back to the previous location of the code in ofproto-dpif-rid.
I will backport.

Signed-off-by: Ben Pfaff <blp@nicira.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/id-pool.c b/lib/id-pool.c
index 0f46b7f20..e671a9c70 100644
--- a/lib/id-pool.c
+++ b/lib/id-pool.c
@@ -147,6 +147,7 @@ id_pool_free_id(struct id_pool *pool, uint32_t id)
         id_node = id_pool_find(pool, id);
         if (id_node) {
             hmap_remove(&pool->map, &id_node->node);
+            free(id_node);
         }
     }
 }