Merge pull request #2591 from cmouse/notify-tsig

Sign NOTIFY with TSIG

diff --cc pdns/backends/gsql/gsqlbackend.cc
index f3eaa42a84fbda1dbdd7365a54bb18eb49e07a77,f2130079cf86c5f6ec88f37e6106e042c9829e4e..8aee00536bdbecd6a409759cc1a832b694918663
--- 1/pdns/backends/gsql/gsqlbackend.cc
--- 2/pdns/backends/gsql/gsqlbackend.cc
+++ b/pdns/backends/gsql/gsqlbackend.cc
@@@ -1100,10 -1100,10 +1100,10 @@@ bool GSQLBackend::superMasterBackend(co
          reset();
      }
      catch (SSqlException &e) {
 -      throw PDNSException("GSQLBackend unable to search for a domain: "+e.txtReason());
 +      throw DBException("GSQLBackend unable to search for a domain: "+e.txtReason());
      }
-     ASSERT_ROW_COLUMNS("supermaster-query", d_result[0], 1);
      if(!d_result.empty()) {
+       ASSERT_ROW_COLUMNS("supermaster-query", d_result[0], 1);
        *nameserver=i->content;
        *account=d_result[0][0];
        *ddb=this;