Coverity complains about using an uninitialized variable; there is no
reason to do so; thus fixed to avoid maintaining a whitelist.

Change-Id: I657f9e7d46b1b9b091e36638c1951b93903fbec3
Coverity-ID: 152048
Signed-off-by: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>