!1963 新增cups用户和用户组来启动打印子系统cups进程

Merge pull request !1963 from Dracarys/master

services/etc/group

@@ -121,6 +121,7 @@ ispserver:x:3821:
 dfs_share:x:3822:
 appspawn:x:6005:
 print:x:3823:
+cups:x:3824:
 security_guard:x:3520:
 tee:x:6668:
 dsserver:x:3068:

services/etc/passwd

@@ -118,6 +118,7 @@ memmgr:x:1111:1111:::/bin/false
 ispserver:x:3821:3821:::/bin/false
 dfs_share:x:3822:3822:::/bin/false
 print:x:3823:3823:::/bin/false
+cups:x:3824:3824:::/bin/false
 security_guard:x:3520:3520:::/bin/false
 tee:x:6668:6668:::/bin/false
 dsserver:x:3068:3068:::/bin/false