btrfs: remove stale newlines from log messages

I've noticed an extra line after "use no compression", but search
revealed much more in messages of more critical levels and rare errors.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 3f14b31..a86c049 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -1349,7 +1349,7 @@
 		ret = -EIO;
 		btrfs_err(sctx->send_root->fs_info, "did not find backref in "
 				"send_root. inode=%llu, offset=%llu, "
-				"disk_byte=%llu found extent=%llu\n",
+				"disk_byte=%llu found extent=%llu",
 				ino, data_offset, disk_byte, found_key.objectid);
 		goto out;
 	}
@@ -5472,7 +5472,7 @@
 	 */
 	if (root->send_in_progress < 0)
 		btrfs_err(root->fs_info,
-			"send_in_progres unbalanced %d root %llu\n",
+			"send_in_progres unbalanced %d root %llu",
 			root->send_in_progress, root->root_key.objectid);
 	spin_unlock(&root->root_item_lock);
 }