provide definitions for __LITTLE_ENDIAN and __BIG_ENDIAN if not present.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@89356 65c4cc65-6c06-0410-ace0-fbb531ad65f3

include/asterisk/endian.h

@@ -36,6 +36,15 @@
 #define __LITTLE_ENDIAN LITTLE_ENDIAN
 #define __BIG_ENDIAN BIG_ENDIAN
 #else
+
+#ifndef	__LITTLE_ENDIAN
+#define	__LITTLE_ENDIAN		1234
+#endif
+
+#ifndef	__BIG_ENDIAN
+#define	__BIG_ENDIAN		4321
+#endif
+
 #ifdef __LITTLE_ENDIAN__
 #define __BYTE_ORDER __LITTLE_ENDIAN
 #endif /* __LITTLE_ENDIAN */