mmc: msm_sdcc Fix compilation warning with gcc 4.5.2
mmc: msm_sdcc Fix compilation warning with gcc 4.5.2

Fixes uninitialized variable warning.

Change-Id: Ic4e5efc8457c400be22b4211bcaa841314c121c9
Acked-by: Kaushik Sikdar <a838dc0b13cb78e15c0f9b87dabf278b048da08b@qti.qualcomm.com>
Signed-off-by: Rohit Vaswani <178828d847a7966bf01ab61d225f258b7a82df35@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