remove compilation error by changing int to uint32_t
Signed-off-by: Supreet Mysore Suresh <supreet@codeaurora.org>

Change-Id: Ia7de2f4a9eae4cc16f957163683ddf83c135d379
Signed-off-by: Supreet Mysore Suresh <supreet@codeaurora.org>