make net/ieee80211.h private to ipw2x00

Only ipw2x00 now uses it.  Reduce confusion.  Profit!

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ipw2x00/libipw_wx.c

@@ -35,9 +35,10 @@
 #include <linux/jiffies.h>
 
 #include <net/lib80211.h>
-#include <net/ieee80211.h>
 #include <linux/wireless.h>
 
+#include "ieee80211.h"
+
 static const char *ieee80211_modes[] = {
 	"?", "a", "b", "ab", "g", "ag", "bg", "abg"
 };