Fix installation of grains
diff --git a/Makefile b/Makefile
index fc83783..e4c5a0e 100644
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,7 @@
cp -a $(FORMULANAME) $(DESTDIR)/$(SALTENVDIR)/
[ ! -d _modules ] || cp -a _modules $(DESTDIR)/$(SALTENVDIR)/
[ ! -d _states ] || cp -a _states $(DESTDIR)/$(SALTENVDIR)/ || true
+ [ ! -d _grains ] || cp -a _grains $(DESTDIR)/$(SALTENVDIR)/ || true
# Metadata
[ -d $(DESTDIR)/$(RECLASSDIR)/service/$(FORMULANAME) ] || mkdir -p $(DESTDIR)/$(RECLASSDIR)/service/$(FORMULANAME)
cp -a metadata/service/* $(DESTDIR)/$(RECLASSDIR)/service/$(FORMULANAME)