fixed issue of loading the correct instance of RetroShare.conf when switching locations (Patch from AsamK #3423256)

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4637 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/rshare.h

@@ -78,6 +78,12 @@ public:
     /** Sets the current GUI stylesheet. */
   static bool setSheet(QString sheet = QString());
 
+  /**
+   * Update Language, Style and StyleSheet.
+   * First args are cheked for a style then the settings.
+   */
+  static void resetLanguageAndStyle();
+
 
   /** Returns the current language. */
   static QString language() { return _language; }