Add endian swap defines for where missing.
diff --git a/miner.h b/miner.h
index b8676fd..827fa4f 100644
--- a/miner.h
+++ b/miner.h
@@ -143,11 +143,15 @@ static inline int fsync (int fd)
* htobe64 also won't exist */
#ifndef htobe32
# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define htole16(x) (x)
+# define htole32(x) (x)
# define be32toh(x) bswap_32(x)
# define be64toh(x) bswap_64(x)
# define htobe32(x) bswap_32(x)
# define htobe64(x) bswap_64(x)
# elif __BYTE_ORDER == __BIG_ENDIAN
+# define htole16(x) bswap_16(x)
+# define htole32(x) bswap_32(x)
# define be32toh(x) (x)
# define be64toh(x) (x)
# define htobe32(x) (x)