[PATCH xf86-video-neomagic] Use fabs() instead of abs() on double value.

[Walter Harms]

> Matthieu Herrb <matthieu at herrb.eu> hat am 10. Februar 2019 um 17:20
> geschrieben:
> 
> 
> Silences clang warnings.
> 
> Signed-off-by: Matthieu Herrb <matthieu at herrb.eu>

Reviewed-by: Walter Harms wharms at bfs,de
> ---
>  src/neo_driver.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/neo_driver.c b/src/neo_driver.c
> index 84e09ca..4301881 100644
> --- a/src/neo_driver.c
> +++ b/src/neo_driver.c
> @@ -2953,7 +2953,7 @@ neoCalcVCLK(ScrnInfoPtr pScrn, long freq)
>  	for (n = 0; n <= MAX_N; n++)
>  	    for (d = 1; d <= MAX_D; d++) {
>  		f_out = (n+1.0)/((d+1.0)*(1<<f))*REF_FREQ;
> -		f_diff = abs(f_out-f_target);
> +		f_diff = fabs(f_out-f_target);
>  		if (f_diff < f_best_diff) {
>  		    f_best_diff = f_diff;
>  		    n_best = n;
> -- 
> 2.20.1
> 
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