[age restriction] progress 12/n

- taler-offline-tool now handles extensions
  - command "extensions" added with subcommands "show" and "sign"
  - parses extensions from taler config
  - shows and signs of extensions and their configurations
  - creates signed set of configurations for upload
  - added test for retrieval of extension config

- simplified signature verification for extensions
  - remove per-extension signatures, also from DB schema
  - adjust prepared statements accordingly
  - adjust DB event handler for extensions
  - allow NULL for config for extension in DB schema
  - handler for /management/extensions adjusted to new datastructures

- changed test for TALER_denom_blind/TALER_denom_sign_blinded with and
  without TALER_AgeHash

- minor updates and various fixes

1 files changed, 1 insertions, 1 deletions

diff --git a/src/auditordb/plugin_auditordb_postgres.c b/src/auditordb/plugin_auditordb_postgres.c
index 7931900a5..e0355d93b 100644
--- a/src/auditordb/plugin_auditordb_postgres.c
+++ b/src/auditordb/plugin_auditordb_postgres.c
@@ -796,7 +796,7 @@ static enum GNUNET_GenericReturnValue
 postgres_gc (void *cls)
 {
   struct PostgresClosure *pg = cls;
-  struct GNUNET_TIME_Absolute now;
+  struct GNUNET_TIME_Absolute now = {0};
   struct GNUNET_PQ_QueryParam params_time[] = {
     GNUNET_PQ_query_param_absolute_time (&now),
     GNUNET_PQ_query_param_end