db: fix Smatch warnings

/home/laforge/projects/git/openbsc/openbsc/src/libmsc/db.c +254 db_fini(6) info: redundant null check on db_dirname calling free()
/home/laforge/projects/git/openbsc/openbsc/src/libmsc/db.c +256 db_fini(8) info: redundant null check on db_basename calling free()
/home/laforge/projects/git/openbsc/openbsc/src/libmsc/db.c +280 db_create_subscriber(20) warn: variable dereferenced before check 'subscr'
1 file changed
tree: 30388c106023f2b47f94bd1e5d57e09f8629bb0b
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/
  5. README