Fix apache log time transformation

Change base from 100k to 1m

Change-Id: Icd82dd6e92ee9d40e2c94b4ca419f02a74857944
Partial-Bug: PROD-21789
diff --git a/barbican/meta/fluentd.yml b/barbican/meta/fluentd.yml
index 2bee78e..00072c8 100644
--- a/barbican/meta/fluentd.yml
+++ b/barbican/meta/fluentd.yml
@@ -45,7 +45,7 @@
               - name: programname
                 value: barbican-wsgi
               - name: http_response_time
-                value: ${ record['http_response_time'].to_i/100000.to_f }
+                value: ${ record['http_response_time'].to_i/10**6.to_f }
         match:
           send_to_default:
             tag: openstack.barbican