LU-3043 build: init local variable that breaks sles11sp2 build

LU-3043 build: init local variable that breaks sles11sp2 build

Fix a recently introduced build breakage by initing a local variable
in new code.

Signed-off-by: Bob Glossman <bob.glossman@intel.com>
Change-Id: I3c9c1a864e2b529b6a6e2578d0bfbfe2c920688c
Reviewed-on: http://review.whamcloud.com/5854
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Tested-by: Hudson
Tested-by: Maloo <whamcloud.maloo@gmail.com>
Reviewed-by: Bobi Jam <bobijam@gmail.com>
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>