License refered to 'Bash', replaced it with 'This program'.
License refered to 'Bash', replaced it with 'This program'.

git-svn-id: 7ffbd09614c8d739a966cfae413e2c1c0f4cb91b@419 453b2852-3d18-0410-866e-d09c099698e4

ruby-debug/ruby-debug-extra,ruby-debug/ruby-debug-extra