Makefile: add all files to make dist

Makefile

@@ -34,7 +34,9 @@ clean:
 
 dist: clean
 	mkdir -p st-$(VERSION)
-	cp -R LICENSE Makefile README config.mk config.def.h st.info st.1 arg.h $(SRC) st-$(VERSION)
+	cp -R FAQ LEGACY TODO LICENSE Makefile README config.mk\
+		config.def.h st.info st.1 arg.h st.h win.h $(SRC)\
+		st-$(VERSION)
 	tar -cf - st-$(VERSION) | gzip > st-$(VERSION).tar.gz
 	rm -rf st-$(VERSION)