t/lib-gpg: forcibly run a trustdb update

We want to compare output later, so randomly popping up 'gpg: checking
the trustdb' breaks the tests. Run the trustdb update forcibly.

Signed-off-by: Christian Hesse <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: eworm-de

t/lib-gpg.sh

@@ -45,6 +45,7 @@ test_lazy_prereq GPG '
 			"$TEST_DIRECTORY"/lib-gpg/keyring.gpg &&
 		gpg --homedir "${GNUPGHOME}" --import-ownertrust \
 			"$TEST_DIRECTORY"/lib-gpg/ownertrust &&
+		gpg --homedir "${GNUPGHOME}" --update-trustdb &&
 		gpg --homedir "${GNUPGHOME}" </dev/null >/dev/null \
 			--sign -u [email protected]
 		;;