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-rw-r--r--src/or/circuitlist.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/or/circuitlist.c b/src/or/circuitlist.c
index 1efb7ef4d0..d2ba7d4781 100644
--- a/src/or/circuitlist.c
+++ b/src/or/circuitlist.c
@@ -109,7 +109,7 @@ HT_GENERATE2(chan_circid_map, chan_circid_circuit_map_t, node,
* used to improve performance when many cells arrive in a row from the
* same circuit.
*/
-chan_circid_circuit_map_t *_last_circid_chan_ent = NULL;
+static chan_circid_circuit_map_t *_last_circid_chan_ent = NULL;
/** Implementation helper for circuit_set_{p,n}_circid_channel: A circuit ID
* and/or channel for circ has just changed from <b>old_chan, old_id</b>