Style (9) fixes, spaces to tabs.

Fix style issues noticed when I went to MFC r257820

MFC after:	2 days
X-MFC-With:	r257820
Sponsored by:	Multiplay


git-svn-id: svn+ssh://svn.freebsd.org/base/head@271882 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f