Eliminate an instance of VM_PROT_READ_IS_EXEC that I overlooked in r190705.
Eliminate an instance of VM_PROT_READ_IS_EXEC that I overlooked in r190705.

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