XXX Remove nawk(1)

*** 114,124 ****
  #CTFCONVERT_O=
  #CTFMERGE_LIB=
  
  # Filter out the less important lint.
  # See lgrep.awk
! LGREP = nawk -f $(SRCDIR)/lgrep.awk
  LTAIL   +=      2>&1 | $(LGREP)
  
  all:    $(LIBS)
  
  lint:   lintcheck_t
--- 114,124 ----
  #CTFCONVERT_O=
  #CTFMERGE_LIB=
  
  # Filter out the less important lint.
  # See lgrep.awk
! LGREP = /usr/xpg4/bin/awk -f $(SRCDIR)/lgrep.awk
  LTAIL   +=      2>&1 | $(LGREP)
  
  all:    $(LIBS)
  
  lint:   lintcheck_t