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-rw-r--r--src/cmd2.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cmd2.cc b/src/cmd2.cc
index 38d3806a..e9cdd333 100644
--- a/src/cmd2.cc
+++ b/src/cmd2.cc
@@ -1437,7 +1437,7 @@ static bool_ twall(int y, int x, byte feat)
*
* Returns TRUE if repeated commands may continue
*/
-bool_ do_cmd_tunnel_aux(int y, int x, int dir)
+static bool_ do_cmd_tunnel_aux(int y, int x, int dir)
{
int skill_req = 0, skill_req_1pct = 0;
cave_type *c_ptr = &cave[y][x];