wireless: consolidate on a single escape_essid implementation

Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index 04f0bf2..2475799 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -8,6 +8,7 @@
 #include <linux/wireless.h>
 #include <linux/bitops.h>
 
+#include <net/lib80211.h>
 #include <net/ieee80211.h>
 #include <net/iw_handler.h>
 
@@ -2005,7 +2006,7 @@
 		lbs_deb_wext("requested any SSID\n");
 	} else {
 		lbs_deb_wext("requested SSID '%s'\n",
-		             escape_essid(ssid, ssid_len));
+		             escape_ssid(ssid, ssid_len));
 	}
 
 out: