XXX Remove nawk(1)

@@ -114,11 +114,11 @@
 #CTFCONVERT_O=
 #CTFMERGE_LIB=
 
 # Filter out the less important lint.
 # See lgrep.awk
-LGREP = nawk -f $(SRCDIR)/lgrep.awk
+LGREP = /usr/xpg4/bin/awk -f $(SRCDIR)/lgrep.awk
 LTAIL   +=      2>&1 | $(LGREP)
 
 all:    $(LIBS)
 
 lint:   lintcheck_t