Document that ber_scanf_elements' 'p' and 't' attribute don't eat the

current ber element.
OK claudio@
Seems sensible to deraadt@

src/lib/libutil/ber_get_string.3

@@ -1,4 +1,4 @@
-.\" $OpenBSD: ber_get_string.3,v 1.5 2019/05/21 12:30:07 rob Exp $
+.\" $OpenBSD: ber_get_string.3,v 1.6 2019/08/14 17:21:42 martijn Exp $
 .\"
 .\" Copyright (c) 2007, 2012 Reyk Floeter <reyk@openbsd.org>
 .\"
@@ -14,7 +14,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: May 21 2019 $
+.Dd $Mdocdate: August 14 2019 $
 .Dt BER_GET_STRING 3
 .Os
 .Sh NAME
@@ -107,6 +107,11 @@ and
 .Sq t ,
 the type of the element is not checked.
 For
+.Sq p ,
+and
+.Sq t
+the pointer is not incremented to the next element.
+For
 .Sq e ,
 a pointer to the element is stored in the corresponding pointer variable.
 For