Do not attempt to search for local libpcap libraries lying around in the parent

of the build directory, or anywhere else random. This is not expected to

succeed anyway, but it is better to be sure.

diff -Naur arpwatch-3.1-original/configure arpwatch-3.1/configure

--- arpwatch-3.1-original/configure	2020-04-05 20:22:04.000000000 -0400

+++ arpwatch-3.1/configure	2020-11-07 11:59:40.114550004 -0500

@@ -5437,6 +5437,7 @@

     places=`ls .. | sed -e 's,/$,,' -e 's,^,../,' | \

 	egrep '/libpcap-[0-9]*\.[0-9]*(\.[0-9]*)?([ab][0-9]*)?$'`

     for dir in $places ../libpcap libpcap ; do

+	    break

 	    basedir=`echo $dir | sed -e 's/[ab][0-9]*$//'`

 	    if test $lastdir = $basedir ; then

 		    		    continue;