Add a KERNELDUMPMAGIC_CLEARED macro to unbreak savecore.  Since it is a "magic" value, what it expands to is not really important. I set it to "Cleared Kernel Dump", but that can be changed later if someone thinks it's not good enough.
Add a KERNELDUMPMAGIC_CLEARED macro to unbreak savecore.  Since
it is a "magic" value, what it expands to is not really important.
I set it to "Cleared Kernel Dump", but that can be changed later
if someone thinks it's not good enough.

Pointy hat to:	fenner

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