Log Message:
Update print/cups to cups-2.2.1

Changes:
CHANGES IN CUPS V2.2.1
	- Added "CreateSelfSignedCerts" directive for cups-files.conf to
          control whether the scheduler automatically creates its own
          self-signed X.509 certificates for TLS connections (Issue #4876)
        - http*Connect did not handle partial failures (Issue #4870)
        - Addressed some build warnings on Linux (Issue #4881)
        - cupsHashData did not use the correct hashing algorithm
          (<rdar://problem/28209220>)
        - Updated man pages (PR #4885)
        - Updated localizations (PR #4877, PR #4886)