fix slapcat 79 character line wrap in output

I use slapcat to do a full-text search in our very large ldap directory. As it is easier to match what I am looking for when I don't know where to look. The problem is that it wraps long lines slapcat -v | grep -A 1 "some search string" somelongvar::linesoftesttext12345667890987654321234567887654321234567897654321 wraps like this