imap-send: cleanup execl() call to use NULL sentinel instead of 0

diff --git a/imap-send.c b/imap-send.c
index fddaac00c0adea7347934b008da9b33e72fe5b5f..203284d8f01ad513a99d1fa432828ced6a8e7bd9 100644 (file)
--- a/imap-send.c
+++ b/imap-send.c
@@ -945,7 +945,7 @@ imap_open_store( imap_server_conf_t *srvc )
                                _exit( 127 );
                        close( a[0] );
                        close( a[1] );
-                       execl( "/bin/sh", "sh", "-c", srvc->tunnel, 0 );
+                       execl( "/bin/sh", "sh", "-c", srvc->tunnel, NULL );
                        _exit( 127 );
                }