opengl32: fix lots of missings-declarations warnings (reworked)

[Alexandre Julliard]

Stefan Huehner <stefan at huehner.org> writes:

> [old message]
> this patch adds prototypes for the functions in opengl_norm.c which are         
> prefixed with 'wine_'. As this file is generated from the make_opengl           
> script this was also modified to emit this additional lines as it               
> already did for opengl_ext.c. This patch fixes 374 missing-declarations         
> warnings.                                                                       

At the cost of adding 374 useless prototypes... We really don't want
to do that, it's perfectly legitimate in that case that the functions
don't have a declaration, that's why the warning is not turned on by
default.

-- 
Alexandre Julliard
julliard at winehq.org