The minimum size of an RFC3442 destination descriptor is five bytes, so correct test to -ge 5.  Without this change an RFC3442 encoded default route would be ignored.
The minimum size of an RFC3442 destination descriptor is five bytes, so
correct test to -ge 5.  Without this change an RFC3442 encoded default
route would be ignored.

Reported by:	Cedric Jonas <cedric at decemplex dot net>

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase