SUS-56 libstmfproxy incorrectly checks socket() return code

*** 79,89 ****
          int on = 1;
          struct sockaddr_in cli_addr, serv_addr;
          struct  sockaddr_in sin;
          int cliLen = sizeof (cli_addr);
  
!         if ((sfd = socket(AF_INET, SOCK_STREAM, 0)) <= 0) {
                  syslog(LOG_DAEMON|LOG_WARNING,
                      "socket() call failed: %d", errno);
                  return (NULL);
          }
  
--- 79,89 ----
          int on = 1;
          struct sockaddr_in cli_addr, serv_addr;
          struct  sockaddr_in sin;
          int cliLen = sizeof (cli_addr);
  
!         if ((sfd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
                  syslog(LOG_DAEMON|LOG_WARNING,
                      "socket() call failed: %d", errno);
                  return (NULL);
          }