Update languages on languageAdded event

Author: sprintr

src/extensions/default/PrefsCodeHints/main.js

@@ -98,7 +98,7 @@ define(function (require, exports, module) {
         return (/^\.?brackets\.json$/).test(document.file._name);
     }
 
-    // Set listeners on preference and editor changes.
+    // Set listeners on preference, editor and language changes.
     PreferencesManager.on("change", "showCodeHints", function () {
         isPrefHintsEnabled = _isPrefHintsEnabled();
     });
@@ -111,6 +111,9 @@ define(function (require, exports, module) {
         }
         isPrefHintsEnabled = _isPrefHintsEnabled();
     });
+    LanguageManager.on("languageAdded", function () {
+        languages = LanguageManager.getLanguages();
+    });
 
     /*
      * Returns a sorted and formatted list of hints with the query substring