x86: video/fbdev.c: add MODULE_LICENSE

Add the missing MODULE_LICENSE("GPL").
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/video/fbdev.c

 /*
- *
  * Copyright (C) 2007 Antonino Daplas <adaplas@gmail.com>
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -29,3 +28,4 @@ int fb_is_primary_device(struct fb_info *info)
 	return retval;
 }
 EXPORT_SYMBOL(fb_is_primary_device);
+MODULE_LICENSE("GPL");