winmm: Respect return value from joyGetPos (Coverity)

[Andrew Eikum]

This section is already consistently using 8-space tabs, I'd rather
not break that. Also I think you should print a WARN when joyGetPos
returns an error.

Andrew

On Tue, Dec 22, 2015 at 07:34:59PM +0100, André Hentschel wrote:
> Signed-off-by: André Hentschel <nerv at dawncrow.de>
> ---
> CID 1261597
> 
>  dlls/winmm/joystick.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/dlls/winmm/joystick.c b/dlls/winmm/joystick.c
> index 6ac67f4..fb30ac8 100644
> --- a/dlls/winmm/joystick.c
> +++ b/dlls/winmm/joystick.c
> @@ -93,7 +93,8 @@ static	void	CALLBACK	JOY_Timer(HWND hWnd, UINT wMsg, UINT_PTR wTimer, DWORD dwTi
>  
>  	if (joy->hCapture != hWnd) continue;
>  
> -	joyGetPos(i, &ji);
> +       if (joyGetPos(i, &ji) != JOYERR_NOERROR) continue;
> +
>  	pos = MAKELONG(ji.wXpos, ji.wYpos);
>  
>  	if (!joy->bChanged ||
> -- 
> 1.9.1
> 
> 
> 
>