xfstests: generic/204 should call _check_scratch_fs

Because if it corrupts the filesystem it currently goes undetected.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Rich Johnston <rjohnston@sgi.com>

tests/generic/204

@@ -52,6 +52,8 @@ for i in `seq 1 22500`; do
     echo XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX > $SCRATCH_MNT/$i
 done
 
+_check_scratch_fs
+
 # success, all done
 echo "*** done"
 rm -f $seqres.full