Fix grains template formatting

This patch fixes mysql/metadata/salt formatting. After rendering
the yml is not valid http://paste.openstack.org/show/609273/

Change-Id: I01588ab206416e73e89acf0ea9c9d97b045fb7b0
diff --git a/mysql/meta/salt.yml b/mysql/meta/salt.yml
index a2a4675..acd8891 100644
--- a/mysql/meta/salt.yml
+++ b/mysql/meta/salt.yml
@@ -1,7 +1,7 @@
 minion:
   {%- if pillar.mysql.server is defined %}
   mysql:
-    {%- from "mysql/map.jinja" import server with context -%}
+    {%- from "mysql/map.jinja" import server with context %}
     mysql.unix_socket: /var/run/mysqld/mysqld.sock
     {%- if server.admin is defined %}
     mysql.user: '{{ server.admin.user }}'