Revert "service name fix"

This reverts commit 34491b9b47ba0994ad20919c6be92646e406fae6.
diff --git a/heka/server.sls b/heka/server.sls
index 8d7dfb2..b85fb77 100644
--- a/heka/server.sls
+++ b/heka/server.sls
@@ -13,7 +13,7 @@
   - require:
     - pkg: heka_packages
   - watch_in:
-    - service: heka
+    - service: heka_service
 
 heka_service:
   service.running: