net80211: remove redundant assignment to ic_curmode

[Stefan Sperling]

This assigment to ic_curmode is redundant because it already occurs
inside ieee80211_setmode(), and channel information in selbs and ni
is equivalent after node_copy().

ok?

diff refs/heads/roaming refs/heads/assignment
blob - 905396f216158f9497fc28be19737e61595adce3
blob + d41f910439aea2e7c45706e6fe384bd3ccc7269c
--- sys/net80211/ieee80211_node.c
+++ sys/net80211/ieee80211_node.c
@@ -1165,16 +1165,14 @@ ieee80211_node_join_bss(struct ieee80211com *ic, struc
        mode = ieee80211_chan2mode(ic, selbs->ni_chan);
        if (mode != ic->ic_curmode)
                ieee80211_setmode(ic, mode);
 
        (*ic->ic_node_copy)(ic, ic->ic_bss, selbs);
        ni = ic->ic_bss;
 
-       ic->ic_curmode = ieee80211_chan2mode(ic, ni->ni_chan);
-
        /* Make sure we send valid rates in an association request. */
        if (ic->ic_opmode == IEEE80211_M_STA)
                ieee80211_fix_rate(ic, ni,
                    IEEE80211_F_DOSORT | IEEE80211_F_DOFRATE |
                    IEEE80211_F_DONEGO | IEEE80211_F_DODEL);
 
        if (ic->ic_flags & IEEE80211_F_RSNON)