avahi-browse: replace unprintable chars when printing services names
avahi-browse: replace unprintable chars when printing services names

http://avahi.org/ticket/285

gloryleague/avahi,lathiat/avahi,heftig/avahi-1,Distrotech/avahi,gloryleague/avahi,lathiat/avahi,heftig/avahi,gloryleague/avahi,heftig/avahi,lathiat/avahi,heftig/avahi,Kisensum/xmDNS-avahi,Distrotech/avahi,everbase/catta,Kisensum/xmDNS-avahi,Distrotech/avahi,Distrotech/avahi,lathiat/avahi,catta-x/catta,Kisensum/xmDNS-avahi,lathiat/avahi,Distrotech/avahi,everbase/catta,heftig/avahi,gloryleague/avahi,heftig/avahi,heftig/avahi-1,catta-x/catta,Distrotech/avahi,heftig/avahi-1,everbase/catta,Kisensum/xmDNS-avahi,heftig/avahi-1,heftig/avahi,lathiat/avahi,gloryleague/avahi,Kisensum/xmDNS-avahi,heftig/avahi-1,gloryleague/avahi,heftig/avahi-1,catta-x/catta,Kisensum/xmDNS-avahi