richedit: Added missing defines and structures to richedit.h

[Michael Stefaniuc]

Hello Dylan,

Dylan Smith wrote:
> I tried to make richedit.h more consistent with the public SDK headers
> by adding anything any missing defines and structures that I could find.
> ---
>  include/richedit.h |  395 ++++++++++++++++++++++++++++++++++++++++++++++++++--
>  1 files changed, 384 insertions(+), 11 deletions(-)
> 
> 
> ------------------------------------------------------------------------
Please do not use C++ style comments aka "//". Those are frown upon in Wine.

bye
	michael