Fix deprecated method call

Author: mudrd8mz

classes/local/source_code.php

@@ -171,7 +171,7 @@ public function get_included_string_files() {
         $files = array();
 
         $component = $this->versionphp['component'];
-        [$plugintype, $pluginname] = normalize_component($component);
+        [$plugintype, $pluginname] = \core_component::normalize_component($component);
 
         $fullnamefile = 'lang/en/'.$component.'.php';
         if (is_readable($this->basepath.'/'.$fullnamefile)) {

mlanglib.php

@@ -520,7 +520,7 @@ public function get_phpfile_location($treeish=true) {
                     'it is unable to differentiate core plugins from activity modules. '.
                     'Using normalize_component() is not reliable much because it depends '.
                     'on the site version and may be wrong for older/newer versions');
-                list($type, $plugin) = normalize_component($this->name);
+                list($type, $plugin) = \core_component::normalize_component($this->name);
                 if ($type === 'core') {
                     return 'lang/' . $this->lang . '/' . $this->name . '.php';
                 } else {