tracker: Fixed search with -f <arg> or --files <arg>, broken expression
tracker: Fixed search with -f <arg> or --files <arg>, broken expression

https://bugzilla.gnome.org/show_bug.cgi?id=752871

outofbits/tracker,outofbits/tracker,outofbits/tracker,outofbits/tracker,outofbits/tracker,outofbits/tracker,outofbits/tracker