cfg80211: fix gHz to GHz

There's no "g" prefix, only "G" (1e9) that was clearly intended here.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 7258246..f0b0f8c 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -262,7 +262,7 @@
 		REG_RULE(5745-10, 5825+10, 80, 6, 20,
 			NL80211_RRF_NO_IR),
 
-		/* IEEE 802.11ad (60gHz), channels 1..3 */
+		/* IEEE 802.11ad (60GHz), channels 1..3 */
 		REG_RULE(56160+2160*1-1080, 56160+2160*3+1080, 2160, 0, 0, 0),
 	}
 };