Fix compilation errors when building without NNTP support
- Sean Eric Fagan <sef@Kithrup.COM>

diff -ubr trn-4.0-test77/bits.c /usr/ports/news/trn4/work/trn-4.0-test77/bits.c
--- bits.c	2010-09-01 23:12:26.000000000 -0700
+++ bits.c	2012-08-18 10:58:57.000000000 -0700
@@ -623,8 +623,10 @@
     char* xref_buf, *curxref;
     char tmpbuf[128];
 
+#ifdef DF_NOXREFS
     if (datasrc->flags & DF_NOXREFS)
 	return 0;
+#endif
 
     if (inbackground())
 	spin(10);
@@ -771,8 +773,10 @@
     char* curxref;
     char tmpbuf[128];
 
+#ifdef DF_NOXREFS
     if (datasrc->flags & DF_NOXREFS)
 	return;
+#endif
 
     if (inbackground())
 	spin(10);
diff -ubr trn-4.0-test77/cache.c /usr/ports/news/trn4/work/trn-4.0-test77/cache.c
--- cache.c	2001-02-14 15:53:26.000000000 -0800
+++ cache.c	2012-08-18 10:59:35.000000000 -0700
@@ -821,8 +821,12 @@
 {
     register ART_NUM an;
 
-    if (olden_days || (datasrc->flags & DF_NOXREFS) || xref_to_get > lastart)
+    if (olden_days || xref_to_get > lastart)
 	return TRUE;
+#ifdef DF_NOXREFS
+    if (datasrc->flags & DF_NOXREFS)
+	return TRUE;
+#endif
     setspin(SPIN_BACKGROUND);
     for (an=article_first(xref_to_get); an <= lastart; an=article_next(an)) {
 	if (input_pending())