remove brackets around boolean condition expression

Change-Id: Ia550d4603d9520ddea84a144e5e042903456d96d
Closes-Bug: 1405319
diff --git a/lib/cinder b/lib/cinder
index 930119c..c106424 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -292,7 +292,7 @@
         configure_cinder_driver
     fi
 
-    if [[ is_fedora && $DISTRO =~ (rhel6) ]]; then
+    if is_fedora && [[ $DISTRO =~ (rhel6) ]]; then
         # Cinder clones are slightly larger due to some extra
         # metadata.  RHEL6 will not allow auto-extending of LV's
         # without this, leading to clones giving hard-to-track disk