comctl32: Move prototype to header

[Sebastian Lackner]

On 27.01.2017 00:26, André Hentschel wrote:
> Signed-off-by: André Hentschel <nerv at dawncrow.de>
> ---
>  dlls/comctl32/comctl32.h | 1 +
>  dlls/comctl32/syslink.c  | 2 --
>  2 files changed, 1 insertion(+), 2 deletions(-)
> 

Any specific reason that you don't use include/shlwapi.h ?