[gparted] Add btrfs-tools package to list in README

[Curtis Gedak <gedakc src gnome org>]

commit c21b38e1ea797f90953a177b935a7434e352b9a5
Author: Curtis Gedak <gedakc gmail com>
Date:   Fri Oct 29 09:00:41 2010 -0600

    Add btrfs-tools package to list in README

 README |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/README b/README
index 1e8b789..7f56190 100644
--- a/README
+++ b/README
@@ -106,6 +106,7 @@ Gparted uses GNU libparted to detect and manipulate devices and partition
 tables.  Several optional packages provide additional file system support.
 Optional packages include:
 
+   btrfs-tools
    e2fsprogs
    dosfstools
    mtools          - required to read and write FAT16/32 volume labels