Fixup a few external man page refs. [skip ci]

Author: infrastation

pcap.3pcap.in

@@ -784,17 +784,17 @@ get the state of non-blocking mode for a
 attempt to get a descriptor for a
 .B pcap_t
 that can be used in calls such as
-.BR select (2)
+.BR select ()
 and
-.BR poll (2)
+.BR poll ()
 .TP
 .BR pcap_get_required_select_timeout (3PCAP)
 attempt to get a timeout required for using a
 .B pcap_t
 in calls such as
-.BR select (2)
+.BR select ()
 and
-.BR poll (2)
+.BR poll ()
 .RE
 .SS Filters
 In order to cause only certain packets to be returned when reading

pcap_set_immediate_mode.3pcap.in

@@ -70,7 +70,7 @@ don't assume it's sufficient);
 .IP
 on Digital UNIX/Tru64 UNIX, immediate mode must be turned on by doing a
 .B BIOCMBIC
-.BR ioctl ,
+.BR ioctl (),
 as documented in
 .BR packetfilter (7),
 to clear the