gpg: Need to init the trustdb for import.
* g10/trustdb.c (clear_ownertrusts): Init trustdb.
This was fixed in 1.4 branch in commit
23191d7851eae2217ecdac6484349849a24fd94a but was not applied to the
2.0 branch that exhibits the same problem. This is actually a hack
to fix a bug introduced with commit 2528178.
- GnuPG-bug-id: T1622