widl: Added support for -ns_prefix option.

[Sebastian Lackner]

On 04.08.2015 14:26, Jacek Caban wrote:
> ---
>  tools/widl/header.c    | 10 ++++++++--
>  tools/widl/parser.l    |  3 +++
>  tools/widl/typetree.c  | 12 ++++++++++--
>  tools/widl/widl.c      |  6 ++++++
>  tools/widl/widl.h      |  1 +
>  tools/widl/widl.man.in |  2 ++
>  6 files changed, 30 insertions(+), 4 deletions(-)
> 
[...]
>        winrt_mode = 1;
>        break;
> +    case RT_NS_PREFIX:
> +      use_abi_namespace = 1;
>      case WIN32_OPTION:
>        do_win32 = 1;
>        do_win64 = 0;

Is there maybe a break missing?