remove trailing whitespace;

src/lib/libc/string/memchr.3

@@ -29,7 +29,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: memchr.3,v 1.8 2007/09/03 14:36:40 millert Exp $
+.\"	$OpenBSD: memchr.3,v 1.9 2007/09/03 16:50:14 jmc Exp $
 .\"
 .Dd $Mdocdate: September 3 2007 $
 .Dt MEMCHR 3
@@ -87,7 +87,7 @@ function conforms to
 .St -ansiC .
 .Pp
 The
-.Fn memrchr       
+.Fn memrchr
 function is an
 .Ox
 extension.