Always chown $KEYSTONE_CONF_DIR

If the directory exists but is owned by another user, then this will
cause failures.

Note that we already do this for other components (glance, for
instance).

Change-Id: Ic7d2a2dd179f721636afc9ea9c3fe6bb314c9b33
diff --git a/lib/keystone b/lib/keystone
index 2d21c2c..2185f6f 100644
--- a/lib/keystone
+++ b/lib/keystone
@@ -81,8 +81,8 @@
 
     if [[ ! -d $KEYSTONE_CONF_DIR ]]; then
         sudo mkdir -p $KEYSTONE_CONF_DIR
-        sudo chown `whoami` $KEYSTONE_CONF_DIR
     fi
+    sudo chown `whoami` $KEYSTONE_CONF_DIR
 
     if [[ "$KEYSTONE_CONF_DIR" != "$KEYSTONE_DIR/etc" ]]; then
         cp -p $KEYSTONE_DIR/etc/keystone.conf.sample $KEYSTONE_CONF