Name the define THREAD_LOCAL and define it in every case
Name the define THREAD_LOCAL and define it in every case

Signed-off-by: Sebastian Ramacher <63df716952f6985d63bd730444128636613d6384@debian.org>

metabrainz/libdiscid,phw/libdiscid,phw/libdiscid,metabrainz/libdiscid