Turn default address selection on by default.  Now, when ipv6_enable="NO", an IPv4 address is preferred for a destination address.
Turn default address selection on by default.  Now, when
ipv6_enable="NO", an IPv4 address is preferred for a
destination address.

MFC after:	1 month

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