define le32toh if needed

miner.h

@@ -156,6 +156,7 @@ static inline int fsync (int fd)
 # if __BYTE_ORDER == __LITTLE_ENDIAN
 #  define htole16(x) (x)
 #  define htole32(x) (x)
+#  define le32toh(x) (x)
 #  define be32toh(x) bswap_32(x)
 #  define be64toh(x) bswap_64(x)
 #  define htobe32(x) bswap_32(x)
@@ -163,6 +164,7 @@ static inline int fsync (int fd)
 # elif __BYTE_ORDER == __BIG_ENDIAN
 #  define htole16(x) bswap_16(x)
 #  define htole32(x) bswap_32(x)
+#  define le32toh(x) bswap_32(x)
 #  define be32toh(x) (x)
 #  define be64toh(x) (x)
 #  define htobe32(x) (x)