Distribute xnc.hlp.

doc/pl/Makefile.am

@@ -3,8 +3,8 @@ man_MANS = mc.1
 
 pkgdata_DATA = mc.hlp.pl
 
+EXTRA_DIST = xnc.hlp
 CLEANFILES = $(pkgdata_DATA)
 
 mc.hlp.pl: mc.1 $(srcdir)/xnc.hlp $(top_builddir)/src/man2hlp
-	- $(top_builddir)/src/man2hlp mc.1 $(srcdir)/xnc.hlp \
-	mc.hlp.pl
+	- $(top_builddir)/src/man2hlp mc.1 $(srcdir)/xnc.hlp mc.hlp.pl