fbdev: fix obvious bug in show_pan()

show_pan will display the value of the xoffset twice, instead of the xoffset
and yoffset.  Fix.

Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/fbsysfs.c

@@ -376,7 +376,7 @@ static ssize_t show_pan(struct device *device,
 {
 	struct fb_info *fb_info = dev_get_drvdata(device);
 	return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xoffset,
-			fb_info->var.xoffset);
+			fb_info->var.yoffset);
 }
 
 static ssize_t show_name(struct device *device,