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>
diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c
index a2f5616..0f233ab 100644
--- a/drivers/net/wireless/ipw2x00/libipw_module.c
+++ b/drivers/net/wireless/ipw2x00/libipw_module.c
@@ -50,7 +50,7 @@
 #include <net/net_namespace.h>
 #include <net/arp.h>
 
-#include <net/ieee80211.h>
+#include "ieee80211.h"
 
 #define DRV_DESCRIPTION "802.11 data/management/control stack"
 #define DRV_NAME        "ieee80211"