Fix quotation.
Update to HAL:

* Update to p4 branch 1852427 (13/Mar/2013)
* Enable spectral scan feature
Merge branch 'master' into local/freebsd

Conflicts that were resolved:
	hal/ar9300/ar9300_ani.c
	hal/ar9300/ar9300_attach.c
	hal/ar9300/ar9300_keycache.c
	hal/ar9300/ar9300_radar.c
	hal/ar9300/ar9300_reset.c