wireless: use individual buffers for printing ssid values

Also change escape_ssid to print_ssid to match print_mac semantics.

Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 64a4abc..b0726e2 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -12,8 +12,8 @@
  * published by the Free Software Foundation.
  */
 
-#ifndef IEEE80211_H
-#define IEEE80211_H
+#ifndef LINUX_IEEE80211_H
+#define LINUX_IEEE80211_H
 
 #include <linux/types.h>
 #include <asm/byteorder.h>
@@ -1114,4 +1114,4 @@
 		return hdr->addr1;
 }
 
-#endif /* IEEE80211_H */
+#endif /* LINUX_IEEE80211_H */