mac80211: fix mesh_sta_info_get() reshuffle damage

Before "mac80211: clean up mesh sta allocation warning"
was applied, mesh_sta_info_get() was reshuffled to please
sparse. As a result we neglect to initialize newly created
STAs. Fix this.
Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/mesh_plink.c

@@ -408,6 +408,8 @@ mesh_sta_info_get(struct ieee80211_sub_if_data *sdata,
 			return NULL;
 		}
 
+		mesh_sta_info_init(sdata, sta, elems, true);
+
 		if (sta_info_insert_rcu(sta))
 			return NULL;
 	}