another fixup for apt.8 -> apt.7 rename

doc/en/makefile

@@ -19,23 +19,23 @@ apt-vendor.ent: ../../vendor/current/apt-vendor.ent
 	ln -sf $(shell readlink -f $^) $@
 
 # Install generation hooks
-manpages: $($(LOCAL)-LIST) apt.8
+manpages: $($(LOCAL)-LIST) apt.7
 
 $($(LOCAL)-LIST) :: % : ../%.xml $(STYLESHEET) $(INCLUDES)
 	echo Creating man page $@
 	$(XSLTPROC) -o $@ $(STYLESHEET) $<
 
-apt.8: ../apt.8
-	cp -a ../apt.8 apt.8
+apt.7: ../apt.7
+	cp -a ../apt.7 apt.7
 
 # Clean rule
 .PHONY: clean/$(LOCAL)
 veryclean: clean/$(LOCAL)
 clean: clean/$(LOCAL)
 clean/$(LOCAL):
-	-rm -rf $($(@F)-LIST) apt.8 apt-vendor.ent
+	-rm -rf $($(@F)-LIST) apt.7 apt-vendor.ent
 endif
 
 # Chain to the manpage rule
-SOURCE = apt.8
+SOURCE = apt.7
 include $(MANPAGE_H)