libceph: fix sparse endianness warnings

The only real issue is the one in auth_x.c and it came with
3.19-rc1 merge.

Signed-off-by: Ilya Dryomov <[e-mail]>

include/linux/ceph/osd_client.h

···
 			struct ceph_osd_data osd_data;
 		} extent;
 		struct {
-			__le32 name_len;
-			__le32 value_len;
+			u32 name_len;
+			u32 value_len;
 			__u8 cmp_op;       /* CEPH_OSD_CMPXATTR_OP_* */
 			__u8 cmp_mode;     /* CEPH_OSD_CMPXATTR_MODE_* */
 			struct ceph_osd_data osd_data;

net/ceph/auth_x.c

···
 	int ret;
 	char tmp_enc[40];
 	__le32 tmp[5] = {
-		16u, msg->hdr.crc, msg->footer.front_crc,
+		cpu_to_le32(16), msg->hdr.crc, msg->footer.front_crc,
 		msg->footer.middle_crc, msg->footer.data_crc,
 	};
 	ret = ceph_x_encrypt(&au->session_key, &tmp, sizeof(tmp),

net/ceph/mon_client.c

···
 	if (src_len != sizeof(u32) + dst_len)
 		return -EINVAL;
 
-	buf_len = le32_to_cpu(*(u32 *)src);
+	buf_len = le32_to_cpu(*(__le32 *)src);
 	if (buf_len != dst_len)
 		return -EINVAL;