radiotap: Fix compilation for systems without le16toh/le32toh

These functions are not standard and do not exist in all systems, e.g.,
variants of Android. Instead use the macros defined in common.h.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>

src/utils/platform.h

@@ -1,12 +1,12 @@
-#include <stddef.h>
-#include <errno.h>
-#ifndef _BSD_SOURCE
-#define _BSD_SOURCE
-#endif
-#include <endian.h>
+#ifndef PLATFORM_H
+#define PLATFORM_H
+
+#include "includes.h"
+#include "common.h"
+
+#define le16_to_cpu		le_to_host16
+#define le32_to_cpu		le_to_host32
 
-#define le16_to_cpu		le16toh
-#define le32_to_cpu		le32toh
 #define get_unaligned(p)					\
 ({								\
 	struct packed_dummy_struct {				\
@@ -17,3 +17,5 @@
 })
 #define get_unaligned_le16(p)	le16_to_cpu(get_unaligned((uint16_t *)(p)))
 #define get_unaligned_le32(p)	le32_to_cpu(get_unaligned((uint32_t *)(p)))
+
+#endif /* PLATFORM_H */