K 10
svn:author
V 8
pizzamig
K 8
svn:date
V 27
2020-02-06T14:31:29.019935Z
K 7
svn:log
V 211
mixer: call the cleanup function in a test

The set_empty_value test has a cleanup function, but is not called.
Fix it

Reviewed by:	0mp
Approved by:	kp
Differential Revision:	https://reviews.freebsd.org/D23498

END