power: Fix compiler warning.
power: Fix compiler warning.

Fix compiler warning for a variable not initialized

Change-Id: I1fa466bda4e03b60282d6ddc4d9d88666608d916
Signed-off-by: Jessica Gonzalez <f32c5e4734414e80d55b75842e2926015f533c2f@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas