[gparted] Minor update of colour for exFAT

[Mike Fleetwood <mfleetwo src gnome org>]

commit 7feb84a219149df56df82468eb4a76bd7b07809e
Author: Mike Fleetwood <mike fleetwood googlemail com>
Date:   Mon Jul 10 07:26:19 2017 +0100

    Minor update of colour for exFAT
    
    Colour for exFAT was a Sea Green.  This is close to Accent Green Dark
    from the GNOME colour palette.  Use that instead.

 src/Utils.cc |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/Utils.cc b/src/Utils.cc
index cffcbf2..b6ad9bf 100644
--- a/src/Utils.cc
+++ b/src/Utils.cc
@@ -102,7 +102,7 @@ Glib::ustring Utils::get_color( FILESYSTEM filesystem )
                case FS_F2FS            : return "#DF421E" ;    //accent red
                case FS_FAT16           : return "#00FF00" ;    //green
                case FS_FAT32           : return "#18D918" ;    // ~ medium green
-               case FS_EXFAT           : return "#2E8B57" ;    // ~ sea green
+               case FS_EXFAT           : return "#267726" ;    // Accent Green Dark
                case FS_NILFS2          : return "#826647" ;    //face skin shadow
                case FS_NTFS            : return "#42E5AC" ;    // ~ light aquamarine
                case FS_REISERFS        : return "#ADA7C8" ;    //purple hilight