Staging: dgap: Remove unnecessary variable.

This patch removes unnecessary variable in file dgap.c
using Coccinelle. Semantic patch for this is as follows:

@@
expression ret;
identifier f;
@@

-ret =
+return
     f(...);
-return ret;

Also removed the unneeded variable manually.
Signed-off-by: Ankita Patil <patil.ankita.r@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/media/omap24xx/omap24xxcam.c

@@ -1003,11 +1003,8 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh,
 {
 	struct omap24xxcam_fh *ofh = fh;
 	struct omap24xxcam_device *cam = ofh->cam;
-	int rval;
-
-	rval = vidioc_int_enum_fmt_cap(cam->sdev, f);
 
-	return rval;
+	return vidioc_int_enum_fmt_cap(cam->sdev, f);
 }
 
 static int vidioc_g_fmt_vid_cap(struct file *file, void *fh,
@@ -1245,11 +1242,8 @@ static int vidioc_queryctrl(struct file *file, void *fh,
 {
 	struct omap24xxcam_fh *ofh = fh;
 	struct omap24xxcam_device *cam = ofh->cam;
-	int rval;
-
-	rval = vidioc_int_queryctrl(cam->sdev, a);
 
-	return rval;
+	return vidioc_int_queryctrl(cam->sdev, a);
 }
 
 static int vidioc_g_ctrl(struct file *file, void *fh,