Unix CM: Fix bogus character in license string

A stray $ had crept into the license string in afs_dcache.c. Fix it.

Change-Id: I1ab096aadb947cb08318a56b9ae21ed0786d3339
Reviewed-on: http://gerrit.openafs.org/9233
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>
Unix CM: Don't zero args on dcache failure

Even if allocating the dcache fails, there's no point zeroing the
parameters to the allocation function, as those changes aren't
visible outside of that function.

Caught by clang-analyzer

Change-Id: Ieb91b525e818b73e38b8d78a55d170d36273177c
Reviewed-on: http://gerrit.openafs.org/9234
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>