Clear ->tuning bit on connection close.

If tuning query fails, the bit can stay set,
thus creating always-failing connection slot.

Report and analyze by Jonah Harris.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/execute.c b/src/execute.c
index 385677a..3e937ff 100644
--- a/src/execute.c
+++ b/src/execute.c
@@ -281,6 +281,7 @@ prepare_conn(ProxyFunction *func, ProxyConnection *conn)
 			PQfinish(conn->db);
 			conn->db = NULL;
 			conn->state = C_NONE;
+			conn->tuning = 0;
 		case C_NONE:
 			break;
 	}