Documentation: configfs-usb-gadget-uvc: fix kernel version

v3.20 doesn't exist, it is actually v4.0.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

path: root/screen.c

#include <curses.h>

#include "screen.h"

WINDOW *screen_init(bool israw)
{
	WINDOW *screen = initscr();

	if (israw)
		raw();
	noecho();
	cbreak();
	nodelay(screen, TRUE);
	keypad(stdscr, TRUE);
	refresh();
	wrefresh(screen);

	return screen;
}

void screen_end(void)
{
	endwin();
}