dthelp: merge duplicate headers

cde/programs/dthelp/parser/pass2/util/Makefile.am

@@ -4,6 +4,8 @@ MAINTAINERCLEANFILES = Makefile.in
 
 noinst_LIBRARIES = libutil.a
 
+AM_CFLAGS = -DPASS2 -I../../include/util
+
 noinst_PROGRAMS = context fclndir
 
 context_SOURCES = context.c
@@ -13,11 +15,7 @@ fclndir_SOURCES = context.c
 libutil_a_SOURCES = allwhite.c inctest.c letter.c triedump.c		\
 	triepdmp.c trieplk.c trierset.c upcmp8.c upstrcmp.c wchar.c	\
 	conutil.c error.c exit.c itoa.c malloc.c openchk.c	\
-	trie.c triecnt.c whitesp.c basic.h common.h		\
-	dtddef.h entdef.h sparse.h trie.h chartype.h cont.h dtdext.h	\
-	entext.h sref.h version.h
-
-# FIXME I think emptyfil.c and fclndir.c can be deleted?
+	trie.c triecnt.c whitesp.c
 
 context_LDADD = libutil.a
 fclndir_LDADD = libutil.a