Add missing NoSystem SSL option.

Author: michaelrsweet

cups/http-private.h

@@ -58,6 +58,7 @@ extern "C" {
 #  define _HTTP_TLS_ALLOW_RC4	1	// Allow RC4 cipher suites
 #  define _HTTP_TLS_ALLOW_DH	2	// Allow DH/DHE key negotiation
 #  define _HTTP_TLS_DENY_CBC	4	// Deny CBC cipher suites
+#  define _HTTP_TLS_NO_SYSTEM	8	// No system crypto policy
 #  define _HTTP_TLS_SET_DEFAULT 128     // Setting the default TLS options
 
 #  define _HTTP_TLS_SSL3	0	// Min/max version is SSL/3.0

cups/usersys.c

@@ -1671,6 +1671,8 @@ cups_set_ssl_options(
       min_version = _HTTP_TLS_1_3;
     else if (!_cups_strcasecmp(start, "None"))
       options = _HTTP_TLS_NONE;
+    else if (!_cups_strcasecmp(start, "NoSystem"))
+      options |= _HTTP_TLS_NO_SYSTEM;
   }
 
   cc->ssl_options     = options;