fixed typo in default_volume_type var for solidfire

Change-Id: Iefc3d369352b44f913f0ddf54c61ba214d264f74
diff --git a/cinder/control/backend/solidfire.yml b/cinder/control/backend/solidfire.yml
index 20d708c..b2fbee6 100644
--- a/cinder/control/backend/solidfire.yml
+++ b/cinder/control/backend/solidfire.yml
@@ -1,8 +1,8 @@
 parameters:
   cinder:
     controller:
-      defaul_volume_type: normal-storage
-      backend: 
+      default_volume_type: normal-storage
+      backend:
         solidfire:
           engine: solidfire
           type_name: normal-storage
@@ -11,4 +11,4 @@
           san_login: ${_param:san_login}
           san_password: ${_param:san_password}
           clustername: ${_param:san_cluster_name}
-          sf_emulate_512: true
\ No newline at end of file
+          sf_emulate_512: true