fbdev: msm: fix compilation issue in 32-bit mode

Fix typecasting issue specific to 32-bit mode.

Change-Id: Ief7459e04504734e0fa6e18bd4207f2cbeb36888
Signed-off-by: Sachin Bhayare <sachin.bhayare@codeaurora.org>
diff --git a/drivers/video/fbdev/msm/msm_mdss_io_8974.c b/drivers/video/fbdev/msm/msm_mdss_io_8974.c
index 39d26a4..ec1ee60 100644
--- a/drivers/video/fbdev/msm/msm_mdss_io_8974.c
+++ b/drivers/video/fbdev/msm/msm_mdss_io_8974.c
@@ -2033,7 +2033,7 @@
 {
 	int rc = 0;
 	struct mdss_dsi_ctrl_pdata *mctrl = NULL;
-	int i, *vote_cnt;
+	int i, *vote_cnt = NULL;
 
 	void *m_clk_handle;
 	bool is_ecg = false;