Fix mis-spelling of bits and types names in the
default_pager_putpages() and swap_pager_putpages().
It is the same fix as was done for vnode_pager_putpages()
in r271586.

Reviewed by:	alc
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week


git-svn-id: svn+ssh://svn.freebsd.org/base/head@274100 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f