9042 multiples of tty streams modules cause weirdness
Reviewed by: Randy Fishel <randyf@sibernet.com>
Reviewed by: Carlos Neira <cneirabustos@gmail.com>
Approved by: Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org>

*** 24,33 ****
--- 24,34 ----
  
  
  /*
   * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
+  * Copyright 2018 OmniOS Community Edition (OmniOSce) Association.
   */
  
  /*
   * Description:
   *
*** 60,70 ****
  extern struct streamtab pteminfo;
  
  static struct fmodsw fsw = {
          "ptem",
          &pteminfo,
!         D_MTQPAIR | D_MP
  };
  
  static struct modlstrmod modlstrmod = {
          &mod_strmodops, "pty hardware emulator", &fsw
  };
--- 61,71 ----
  extern struct streamtab pteminfo;
  
  static struct fmodsw fsw = {
          "ptem",
          &pteminfo,
!         D_MTQPAIR | D_MP | _D_SINGLE_INSTANCE
  };
  
  static struct modlstrmod modlstrmod = {
          &mod_strmodops, "pty hardware emulator", &fsw
  };