Resource leak fixed

CameraBinV4LImageProcessing::setParameter was leaking the resource fd
in some cases in the switch using return instead of break.

Change-Id: Ie56eaf4cf1d1b7531094c321f49a818632985628
Reviewed-by: Yoann Lopes <yoann.lopes@qt.io>

src/plugins/gstreamer/camerabin/camerabinv4limageprocessing.cpp

@@ -194,8 +194,10 @@ void CameraBinV4LImageProcessing::setParameter(
         const QCameraImageProcessing::WhiteBalanceMode m =
                 value.value<QCameraImageProcessing::WhiteBalanceMode>();
         if (m != QCameraImageProcessing::WhiteBalanceAuto
-                && m != QCameraImageProcessing::WhiteBalanceManual)
+                && m != QCameraImageProcessing::WhiteBalanceManual) {
+            qt_safe_close(fd);
             return;
+        }
 
         control.value = (m == QCameraImageProcessing::WhiteBalanceAuto) ? true : false;
     }
@@ -214,6 +216,7 @@ void CameraBinV4LImageProcessing::setParameter(
         break;
 
     default:
+        qt_safe_close(fd);
         return;
     }