drivers:staging:rtl typo fix encryptiong to encryption.

This patch fixes a typo.
Signed-off-by: NJustin P. Mattock <justinmattock@gmail.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c

@@ -445,7 +445,7 @@ int ieee80211_rtl_xmit(struct sk_buff *skb,
 		(CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS))
 			bytes_per_frag -= IEEE80211_FCS_LEN;
 
-		/* Each fragment may need to have room for encryptiong pre/postfix */
+		/* Each fragment may need to have room for encryption pre/postfix */
 		if (encrypt)
 			bytes_per_frag -= crypt->ops->extra_prefix_len +
 				crypt->ops->extra_postfix_len;

drivers/staging/rtl8192e/ieee80211/ieee80211_tx.c

@@ -761,7 +761,7 @@ int ieee80211_rtl_xmit(struct sk_buff *skb, struct net_device *dev)
 		(CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS))
 			bytes_per_frag -= IEEE80211_FCS_LEN;
 
-		/* Each fragment may need to have room for encryptiong pre/postfix */
+		/* Each fragment may need to have room for encryption pre/postfix */
 		if (encrypt)
 			bytes_per_frag -= crypt->ops->extra_prefix_len +
 				crypt->ops->extra_postfix_len;

drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c

@@ -723,7 +723,7 @@ int ieee80211_xmit(struct sk_buff *skb, struct net_device *dev)
 		(CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS))
 			bytes_per_frag -= IEEE80211_FCS_LEN;
 
-		/* Each fragment may need to have room for encryptiong pre/postfix */
+		/* Each fragment may need to have room for encryption pre/postfix */
 		if (encrypt)
 			bytes_per_frag -= crypt->ops->extra_prefix_len +
 				crypt->ops->extra_postfix_len;