libtracker-miner: Revert exported symbols regex change
libtracker-miner: Revert exported symbols regex change

Previously we had tracker_* to make sure we captured everything with
the new miner-web branch, but the original regex should work too.

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