ifconfig magic number

[Stefan Sperling]

Replace a magic number with the corresponding macro.

Index: ifconfig.c
===================================================================
RCS file: /cvs/src/sbin/ifconfig/ifconfig.c,v
retrieving revision 1.339
diff -u -p -r1.339 ifconfig.c
--- ifconfig.c  12 Mar 2017 03:18:57 -0000      1.339
+++ ifconfig.c  21 Mar 2017 05:12:26 -0000
@@ -1637,7 +1637,7 @@ setifnwkey(const char *val, int d)
        nwkey.i_defkid = 1;
        if (d == -1) {
                /* disable WEP encryption */
-               nwkey.i_wepon = 0;
+               nwkey.i_wepon = IEEE80211_NWKEY_OPEN;
                i = 0;
        } else if (strcasecmp("persist", val) == 0) {
                /* use all values from persistent memory */
@@ -2120,7 +2120,7 @@ ieee80211_status(void)
                }
        }
 
-       if (inwkey == 0 && nwkey.i_wepon > 0) {
+       if (inwkey == 0 && nwkey.i_wepon > IEEE80211_NWKEY_OPEN) {
                fputs(" nwkey ", stdout);
                /* try to retrieve WEP keys */
                for (i = 0; i < IEEE80211_WEP_NKID; i++) {