Fix dependencies of erc in doc/misc/makefile.w32-in.

 doc/misc/makefile.w32-in: ($(infodir)/erc$(INFO_EXT), erc.dvi): Don't
 depend on gpl.texi.

doc/misc/ChangeLog

@@ -5,6 +5,7 @@
 	mentioned it explicitly.
 	($(infodir)/woman$(INFO_EXT), woman.dvi): Depend on
 	$(emacsdir)/emacsver.texi.
+	($(infodir)/erc$(INFO_EXT), erc.dvi): Don't depend on gpl.texi.
 
 2012-12-21  Glenn Morris  <rgm@gnu.org>
 

doc/misc/makefile.w32-in

@@ -309,9 +309,9 @@ $(infodir)/rcirc$(INFO_EXT): rcirc.texi
 rcirc.dvi: rcirc.texi
 	$(ENVADD) $(TEXI2DVI) $(srcdir)/rcirc.texi
 
-$(infodir)/erc$(INFO_EXT): erc.texi gpl.texi
+$(infodir)/erc$(INFO_EXT): erc.texi
 	$(MAKEINFO) $(MAKEINFO_OPTS) $(INFO_OPTS) -o $@ erc.texi
-erc.dvi: erc.texi gpl.texi
+erc.dvi: erc.texi
 	$(ENVADD) $(TEXI2DVI) $(srcdir)/erc.texi
 
 $(infodir)/ert$(INFO_EXT): ert.texi