Sort IP addresses before hashing them for the signature.  Otherwise carp is sensitive to address configuration order.
Sort IP addresses before hashing them for the signature.  Otherwise carp is
sensitive to address configuration order.

PR:		kern/121574
Reported by:	Douglas K. Rand, Wouter de Jong
Obtained from:	OpenBSD (rev 1.114 + fixes)
MFC after:	2 weeks

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