app-layer: add modbus to AppProtoToString

It was missing causing protocol identified as modbus not to be
displayed in netflow events.

diff --git a/src/app-layer-protos.c b/src/app-layer-protos.c
index fd874125711d16dc41e510972f95f3d07e4752ce..1abf295e18f9be2b6b45a83a29fae3d0f68dab49 100644 (file)
--- a/src/app-layer-protos.c
+++ b/src/app-layer-protos.c
@@ -71,6 +71,9 @@ const char *AppProtoToString(AppProto alproto)
         case ALPROTO_DNS:
             proto_name = "dns";
             break;
+        case ALPROTO_MODBUS:
+            proto_name = "modbus";
+            break;
         case ALPROTO_FAILED:
 #ifdef UNITTESTS
         case ALPROTO_TEST: