File yaml-mode-destdir.patch of Package emacs-yaml-mode

--- Makefile.orig	2014-08-25 06:32:52.000000000 +0200
+++ Makefile	2014-09-07 11:56:09.394541977 +0200
@@ -12,8 +12,8 @@
 	$(EMACS) $(FLAGS) $(SRC)
 
 install: bytecompile
-	$(INSTALL) yaml-mode.elc $(INSTALLLIBDIR)
-	$(INSTALL) yaml-mode.el $(INSTALLLIBDIR)
+	$(INSTALL) yaml-mode.elc $(DESTDIR)$(INSTALLLIBDIR)
+	$(INSTALL) yaml-mode.el $(DESTDIR)$(INSTALLLIBDIR)
 
 uninstall:
 	rm $(INSTALLLIBDIR)/yaml-mode.elc