audioplay can't mmap audio file

[yarl-baudig]

Hello,

The test for regular file is wrong.

Goodbye.

diff --git a/usr.bin/audio/play/play.c b/usr.bin/audio/play/play.c
index 945f834d4e70..d6371bd6323d 100644
--- a/usr.bin/audio/play/play.c
+++ b/usr.bin/audio/play/play.c
@@ -248,7 +248,7 @@ play(char *file)
         * or if we failed to mmap the file, try to read it instead, so
         * that filesystems, etc, that do not support mmap() work
         */
-       if (S_ISREG(sb.st_rdev & S_IFMT) == 0 ||
+       if (!S_ISREG(sb.st_mode) ||
            ((off_t)sizet_filesize != filesize) ||
            (oaddr = addr = mmap(0, sizet_filesize, PROT_READ,
            MAP_SHARED, fd, 0)) == MAP_FAILED) {