MFC: r267145
MFC: r267145

Fix the keyfile being cleared prematurely after r259428 (MFCed to stable/10
in r266749).

PR:		185084
Submitted by:	fk@fabiankeil.de
Reviewed by:	pjd

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