[gegl] Use #!/usr/bin/env ruby instead of #!/usr/bin/ruby

[Michael Schumacher <schumaml src gnome org>]

commit 700379f6733c9279592498b4a071c00da99715b2
Author: Michael Schumacher <schumaml gmx de>
Date:   Wed Nov 24 23:34:56 2010 +0100

    Use #!/usr/bin/env ruby instead of #!/usr/bin/ruby

 tools/gobj2dot.rb |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tools/gobj2dot.rb b/tools/gobj2dot.rb
index 7ee4eed..d7792a7 100755
--- a/tools/gobj2dot.rb
+++ b/tools/gobj2dot.rb
@@ -1,4 +1,4 @@
-#!/usr/bin/ruby
+#!/usr/bin/env ruby
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by