Fix a few mandoc warnings.

MFC after:	1 week

sbin/camcontrol/camcontrol.8

@@ -2183,7 +2183,6 @@ current initiator will be unregistered from the target.
 The reservation will be moved to relative target port 2 on the target
 device.
 The registration will persist across power losses.
-.Pp
 .Bd -literal -offset indent
 camcontrol attrib sa0 -v -i attr_values -p 1
 .Ed

sbin/reboot/nextboot.8

@@ -135,4 +135,3 @@ If it scrambles your file system, do not blame me.
 is only able to read ZFS, not write to it.
 .Pa nextboot.conf
 will NOT be reset in case of a kernel boot failure.
-

usr.bin/mkimg/mkimg.1

@@ -327,4 +327,5 @@ utility first appeared in
 .Sh AUTHORS
 The
 .Nm
-utility and manpage were written by Marcel Moolenaar <marcelm@juniper.net>
+utility and manpage were written by
+.An Marcel Moolenaar Aq Mt marcelm@juniper.net .

usr.sbin/pwd_mkdb/pwd_mkdb.8

@@ -132,7 +132,6 @@ The legacy format entries are endianness dependent.
 .Pp
 The following options may be specified and will affect the
 generation of legacy entries.
-.Pp
 .Bl -tag -width flag
 .It Fl B
 Store data in big-endian format.

usr.sbin/sysrc/sysrc.8

@@ -223,7 +223,6 @@ For example, the above and below statements are equivalent since
 .Dq gif0
 starts with an alpha-numeric character
 .Pq the letter Li g :
-.Pp
 .Bl -tag -width indent+
 .It \ 
 .Nm
@@ -278,7 +277,6 @@ For example, the above and below statements are equivalent since
 .Dq gif0
 starts with an alpha-numeric character
 .Pq the letter Li g :
-.Pp
 .Bl -tag -width indent+
 .It \ 
 .Nm

usr.sbin/wake/wake.8

@@ -65,4 +65,4 @@ Ethernet host name data base.
 .Sh AUTHORS
 .Nm
 was written by
-.Ar Marc Balmer Aq Mt marc@msys.ch .
+.An Marc Balmer Aq Mt marc@msys.ch .