allow the enc keyword with ROCK Net

git-svn-id: http://www.rocklinux.org/svn/rock-linux/trunk@1924 c5f82cb5-29bc-0310-9cd0-bff59a50e3bc

package/base/wireless-tools/rocknet_wireless.sh

@@ -51,6 +51,10 @@ public_key() {
 	addcode up 4 5 "iwconfig $if key $*"
 }
 
+public_enc() {
+        addcode up 4 5 "iwconfig $if enc $*"
+}
+
 public_power() {
 	addcode up 4 5 "iwconfig $if power $*"
 }