Description: Add DESTDIR to install-data-local

--- a/Makefile.in
+++ b/Makefile.in
@@ -659,7 +659,7 @@ uninstall-am:
 
 
 install-data-local:
-	$(mkinstalldirs) $(GMAPDB)
+	$(mkinstalldirs) $(DESTDIR)$(GMAPDB)
 
 dist-hook:
 #	svn log -v --xml | ./svncl.pl > ChangeLog
