add explicit_bzero to NAME;

src/lib/libc/string/bzero.3

@@ -27,13 +27,14 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: bzero.3,v 1.10 2014/01/22 21:06:45 tedu Exp $
+.\"	$OpenBSD: bzero.3,v 1.11 2014/01/22 22:21:25 jmc Exp $
 .\"
 .Dd $Mdocdate: January 22 2014 $
 .Dt BZERO 3
 .Os
 .Sh NAME
-.Nm bzero
+.Nm bzero ,
+.Nm explicit_bzero
 .Nd write zeroes to a byte string
 .Sh SYNOPSIS
 .In string.h