Fix the code to avoid plus minus conversion if the result is already zero in the float to integer conversion algorithm.
Fix the code to avoid plus minus conversion if the result is already zero in the float to integer conversion algorithm.

Signed-off-by: Ung, Teng En <8896c15f8ec638319ed6122ea9221678aa30c20c@intel.com>
Reviewed-by: Sean V Kelley <2e220d3765e3e059981b3c8d241463f952b3ee5f@posteo.de>

uartie/vaapi-intel-driver,01org/iotg-lin-gfx-va-driver,01org/iotg-lin-gfx-va-driver,uartie/vaapi-intel-driver,01org/iotg-lin-gfx-va-driver,01org/iotg-lin-gfx-va-driver,uartie/vaapi-intel-driver,01org/iotg-lin-gfx-va-driver,uartie/vaapi-intel-driver,uartie/vaapi-intel-driver