gdiplus: Add a trailing '\n' to Wine traces.

[Alistair Leslie-Hughes]

> @@ -327,7 +327,7 @@ GpStatus WINGDIPAPI 
> GdipGetFontHeightGivenDPI(GDIPCONST GpFont *font, REAL dpi,
> {
>     if (!(font && height)) return InvalidParameter;
>
> -    FIXME("%p (%s), %f, %p\n)", font,
> +    FIXME("%p (%s), %f, %p\n)\n", font,
 The first \n in the fixme should be removed.

Best Regards
 Alistair Leslie-Hughes