cfg: Initialize lock_fd to -1.

Otherwise cfg_unlock() will close stdin on the first call.  Since
create_lockfile() calls remove_lockfile() as its first action, that's
on every useful execution.

diff --git a/lib/cfg.c b/lib/cfg.c
index 559b8a69934615db1981134732184dcfb68c7b68..29bc495be13b6f39117dc9a5a4bc3168fcdd2843 100644 (file)
--- a/lib/cfg.c
+++ b/lib/cfg.c
@@ -61,7 +61,7 @@ static char *tmp_name;
 
 /* Lock information. */
 static char *lock_name;
-int lock_fd;
+int lock_fd = -1;
 
 /* Flag to indicate whether local modifications have been made. */
 bool dirty;