Correct condition to generate heka grains

Change-Id: I5221722bef0beedfa8bbac919de869bfe5643ed2
diff --git a/heka/meta/salt.yml b/heka/meta/salt.yml
index cfa8f38..7d2bd60 100644
--- a/heka/meta/salt.yml
+++ b/heka/meta/salt.yml
@@ -59,7 +59,7 @@
         {%- set service_grains = salt['grains.filter_by']({'default': service_grains}, merge=heka_yaml) %}
       {%- endif %}
     {%- endfor %}
-  {%- if 'heka_alarming' in salt.keys() %}
+  {%- if 'heka_alarming.grains_for_mine' in salt.keys() %}
   heka:
     heka:
       {{ salt['heka_alarming.grains_for_mine'](service_grains)|yaml(False)|indent(6) }}