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-rw-r--r--shadow/lckpwdf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/shadow/lckpwdf.c b/shadow/lckpwdf.c
index 4f4ff28e54..454d65b268 100644
--- a/shadow/lckpwdf.c
+++ b/shadow/lckpwdf.c
@@ -131,7 +131,7 @@ __lckpwdf (void)
 
   /* Now make sure the alarm signal is not blocked.  */
   sigemptyset (&new_set);
-  sigaddset (&new_set, SIGALRM);
+  __sigaddset (&new_set, SIGALRM);
   if (__sigprocmask (SIG_UNBLOCK, &new_set, &saved_set) < 0)
     RETURN_RESTORE_HANDLER (-1);