[media] s5p-mfc: Add missing braces around sizeof

Silences the following warnings:
WARNING: sizeof *ctx should be sizeof(*ctx)
WARNING: sizeof *dev should be sizeof(*dev)

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/platform/s5p-mfc/s5p_mfc.c

@@ -649,7 +649,7 @@ static int s5p_mfc_open(struct file *file)
 		return -ERESTARTSYS;
 	dev->num_inst++;	/* It is guarded by mfc_mutex in vfd */
 	/* Allocate memory for context */
-	ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
+	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
 	if (!ctx) {
 		mfc_err("Not enough memory\n");
 		ret = -ENOMEM;
@@ -961,7 +961,7 @@ static int s5p_mfc_probe(struct platform_device *pdev)
 	int ret;
 
 	pr_debug("%s++\n", __func__);
-	dev = devm_kzalloc(&pdev->dev, sizeof *dev, GFP_KERNEL);
+	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
 	if (!dev) {
 		dev_err(&pdev->dev, "Not enough memory for MFC device\n");
 		return -ENOMEM;