use size_t instead of int

[Sebastian Benoit]

in the SIOCG80211ALLNODES ioctl case,
the proper type for i should be size_t,
also give it a nicer name and remove a tab.

ok?

(benno_net80211_use_sizet_in_ioctl.diff)
diff --git sys/net80211/ieee80211_ioctl.c sys/net80211/ieee80211_ioctl.c
index b41b4fe09d8..6aebb432522 100644
--- sys/net80211/ieee80211_ioctl.c
+++ sys/net80211/ieee80211_ioctl.c
@@ -175,7 +175,7 @@ ieee80211_disable_wep(struct ieee80211com *ic)
 {
        struct ieee80211_key *k;
        int i;
-       
+
        for (i = 0; i < IEEE80211_WEP_NKID; i++) {
                k = &ic->ic_nw_keys[i];
                if (k->k_cipher != IEEE80211_CIPHER_NONE)
@@ -390,7 +390,7 @@ ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
 {
        struct ieee80211com *ic = (void *)ifp;
        struct ifreq *ifr = (struct ifreq *)data;
-       int i, error = 0;
+       int error = 0;
        size_t len;
        struct ieee80211_nwid nwid;
        struct ieee80211_join join;
@@ -811,16 +811,16 @@ ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t 
data)
                }
 
                na = (struct ieee80211_nodereq_all *)data;
-               na->na_nodes = i = 0;
+               na->na_nodes = len = 0;
                ni = RBT_MIN(ieee80211_tree, &ic->ic_tree);
                while (ni && na->na_size >=
-                   i + sizeof(struct ieee80211_nodereq)) {
+                   len + sizeof(struct ieee80211_nodereq)) {
                        ieee80211_node2req(ic, ni, &nrbuf);
-                       error = copyout(&nrbuf, (caddr_t)na->na_node + i,
+                       error = copyout(&nrbuf, (caddr_t)na->na_node + len,
                            sizeof(struct ieee80211_nodereq));
                        if (error)
                                break;
-                       i += sizeof(struct ieee80211_nodereq);
+                       len += sizeof(struct ieee80211_nodereq);
                        na->na_nodes++;
                        ni = RBT_NEXT(ieee80211_tree, ni);
                }