Specify that dnsmessage.proto uses protobuf version 2

Recent proto-c versions are complaining loudly otherwise.

diff --git a/pdns/dnsmessage.proto b/pdns/dnsmessage.proto
index 79b5b08e9586fc816cecc678c79a6f8fba448c5f..9b2802699be33f39b100d156b0ecebb3058bbba1 100644 (file)
--- a/pdns/dnsmessage.proto
+++ b/pdns/dnsmessage.proto
@@ -19,6 +19,8 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
+syntax = "proto2";
+
 message PBDNSMessage {
   enum Type {
     DNSQueryType = 1;