Final bits of STR #1313 - fixes for CDSA.

Final bits of STR #1313 - fixes for CDSA.

cups/http.c:
    - Rename http_read_cdsa() and http_write_cdsa() to
      _httpReadCDSA() and _httpWriteCDSA() so they are accessible
      by the scheduler.

cups/http-private.h:
    - Add prototypes for _httpReadCDSA() and _httpWriteCDSA().

scheduler/client.c:
    - Add get_cdsa_server_certs().
    - Remove CDSAReadFunc() and CDSAWriteFunc().
    - cupsdCloseClient(): Ignore SSLClose() return value.
    - cupsdEncryptClient(): Use _httpReadCDSA() and
      _httpWriteCDSA(), initialize ServerCertificatesArray as
      needed.

scheduler/conf.c:
    - Remove CDSAGetServerCerts().

scheduler/server.c:
    - cupsdStartServer(): Remove CDSA certificate load.

git-svn-id: svn+ssh://src.apple.com/svn/cups/cups.org/trunk@4764 7a7537e8-13f0-0310-91df-b6672ffda945