Fix a problem introduced in the last commit. sa and cm are not initialized at this place. Move the initializing before the non-blocking check.
Fix a problem introduced in the last commit. sa and cm
are not initialized at this place. Move the initializing
before the non-blocking check.

Submitted by:	Marius Strobl <marius@alchemy.franken.de>
Reviewed by:	jhb
Approved by:	re

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