fix for a case when a variant language concept label was not consider…

…ed to be in the right language. Fixes #540

(cherry picked from commit e50019c)

model/Concept.php

@@ -108,7 +108,7 @@ public function getDeprecated()
     }
 
     /**
-     * Returns a label for the concept in the ui language or if not possible in any language.
+     * Returns a label for the concept in the content language or if not possible in any language.
      * @return string
      */
     public function getLabel()
@@ -127,8 +127,8 @@ public function getLabel()
         // 3. label in any language
         $label = $this->resource->label();
         // if the label lang code is a subset of the ui lang eg. en-GB
-        if ($label !== null && strpos($label->getLang(), $this->getEnvLang() . '-') === 0) {
-            return $label->getValue();
+        if ($label !== null && strpos($label->getLang(), $lang . '-') === 0) {
+            return EasyRdf_Literal::create($label, $lang);
         }
 
         if ($label !== null) {