rx: Split out rxi_ConnectionMatch
Split out the connection-matching logic in rxi_FindConnection into a
new function called rxi_ConnectionMatch, so we can use it in other
functions in future commits.
This commit should have no visible impact; it is just code
reorganization.
Change-Id: Ibacec68d268977a8a2a3aca172653fc088334da6
Reviewed-on: https://gerrit.openafs.org/13603
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Cheyenne Wills <cwills@sinenomine.net>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>