7610 SGSPROTO bits are built without SONAME for some reason
Reviewed by: Robert Mustacchi <rm@joyent.com>

*** 19,28 ****
--- 19,29 ----
  # CDDL HEADER END
  #
  
  #
  # Copyright (c) 1996, 2010, Oracle and/or its affiliates. All rights reserved.
+ # Copyright 2016 RackTop Systems.
  #
  
  .KEEP_STATE:
  .KEEP_STATE_FILE: .make.state.$(MACH)
  
*** 118,128 ****
  CHKMSGFLAGS =   $(SGSMSGTARG:%=-m %) $(SGSMSGCHK:%=-m %)
  
  # Native targets should use the minimum of ld(1) flags to allow building on
  # previous releases.  We use mapfiles to scope, but don't bother versioning.
  
! native :=       DYNFLAGS = -R$(SGSPROTO) -L$(SGSPROTO) $(ZNOVERSION)
  
  # Comment out the following two lines to have the sgs built from the system
  # link-editor, rather than the local proto link-editor.
  CC_USE_PROTO =  -Yl,$(SGSPROTO)
  LD_USE_PROTO =  $(SGSPROTO)/
--- 119,129 ----
  CHKMSGFLAGS =   $(SGSMSGTARG:%=-m %) $(SGSMSGCHK:%=-m %)
  
  # Native targets should use the minimum of ld(1) flags to allow building on
  # previous releases.  We use mapfiles to scope, but don't bother versioning.
  
! native :=       DYNFLAGS = -R$(SGSPROTO) -L$(SGSPROTO) $(ZNOVERSION) $(HSONAME)
  
  # Comment out the following two lines to have the sgs built from the system
  # link-editor, rather than the local proto link-editor.
  CC_USE_PROTO =  -Yl,$(SGSPROTO)
  LD_USE_PROTO =  $(SGSPROTO)/