12288 getfacl and setfacl could stand improvement

*** 58,69 ****
  
             o      If any of the above rules are violated, then the function
                    fails with errno set to  EINVAL.
  
  RETURN VALUES
!        If the ACL is valid, alcheck() will return 0. Otherwise errno is set to
!        EINVAL and return code is set to one of the following:
  
         GRP_ERROR
                            There is more than one GROUP_OBJ or DEF_GROUP_OBJ
                            ACL entry.
  
--- 58,69 ----
  
             o      If any of the above rules are violated, then the function
                    fails with errno set to EINVAL.
  
  RETURN VALUES
!        If the ACL is valid, aclcheck() will return 0. Otherwise errno is set
!        to EINVAL and aclcheck() will return one of the following:
  
         GRP_ERROR
                            There is more than one GROUP_OBJ or DEF_GROUP_OBJ
                            ACL entry.