javascript-dock MDL-21329 Fixed regression with CFG var

diff --git a/blocks/moodleblock.class.php b/blocks/moodleblock.class.php
index 501fa66d10481404f13dcc7efbfbc1fbfb27dfe4..065200c591ec0d0bb766cc6f56122ce6c22e7526 100644 (file)
--- a/blocks/moodleblock.class.php
+++ b/blocks/moodleblock.class.php
@@ -746,7 +746,7 @@ class block_base {
 
     public function instance_can_be_docked() {
         global $CFG;
-        return ($CFG->allowblockstodock && $this->page->theme->enable_dock);
+        return (!empty($CFG->allowblockstodock) && $this->page->theme->enable_dock);
     }
 
     public function _initialise_dock() {