[Midnightbsd-cvs] src: dsp.c: fix type for ioctl request

[laffer1 at midnightbsd.org]

Log Message:
-----------
fix type for ioctl request

Modified Files:
--------------
    src/sys/dev/sound/pcm:
        dsp.c (r1.4 -> r1.5)
        (http://cvsweb.midnightbsd.org/src/sys/dev/sound/pcm/dsp.c?r1=1.4&r2=1.5)