[gparted] Provide credit in About dialog for contributions

[Curtis Gedak <gedakc src gnome org>]

commit c17959e20045101af5c98568512ce3ce01dd7d58
Author: Curtis Gedak <gedakc gmail com>
Date:   Fri Nov 30 13:32:31 2012 -0700

    Provide credit in About dialog for contributions
    
    Recognize contributions by Matthias Gehre.

 src/Win_GParted.cc |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/Win_GParted.cc b/src/Win_GParted.cc
index 3a87d17..c4ef725 100644
--- a/src/Win_GParted.cc
+++ b/src/Win_GParted.cc
@@ -1436,6 +1436,7 @@ void Win_GParted::menu_help_about()
 	strings .push_back( "Markus Elfring <elfring users sourceforge net>" ) ;
 	strings .push_back( "Mike Fleetwood <mike fleetwood googlemail com>" ) ;
 	strings .push_back( "Curtis Gedak <gedakc users sf net>" ) ;
+	strings .push_back( "Matthias Gehre <m gehre gmx de>" ) ;
 	strings .push_back( "Rogier Goossens <goossens rogier gmail com>" ) ;
 	strings .push_back( "Bart Hakvoort <gparted users sf net>" ) ;
 	strings .push_back( "Seth Heeren <sgheeren gmail com>" ) ;