staging: iio: Fix missing blank line warning

Fixes "Missing a blank line after declarations" checkpatch.pl warning in
Documentation/generic_buffer.c

Signed-off-by: Melike Yurtoglu <aysemelikeyurtoglu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed