win_ros on debian squezze

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I want to install the win_ros packages in order to have a cross-compiling build environment for mingw programs. I was following the guide (in http://www.ros.org/wiki/diamondback/I... ) but I get this error:

/srv/ros$ rosinstall /srv/ros http://code.google.com/p/win-ros-pkg/source/browse/stacks/win_ros/trunk/winmaster_diamondback.rosinstall
rosinstall operating on /srv/ros from specifications in rosinstall files /srv/ros/.rosinstall, http://code.google.com/p/win-ros-pkg/source/browse/stacks/win_ros/trunk/winmaster_diamondback.rosinstall
ahhhhhhhh, yaml parse error: mapping values are not allowed here
in "<file>", line 46, column 28
Usage: rosinstall PATH [<options> ...] [URI]...

rosinstall: error: None

Are there any other requirement to use correctly this rosinstall command?