Fix an issue when settings activity had a wrong title

Author: krlvm

app/src/main/java/ru/krlvm/powertunnel/android/fragments/SettingsFragment.java

@@ -55,6 +55,7 @@ public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         addPreferencesFromResource(R.xml.preferences);
         setHasOptionsMenu(true);
+        updateTitle();
 
         prefPackage = (ListPreference) this.findPreference(VPN_CONNECTION_MODE);
         prefDisallow = (PreferenceScreen) findPreference(VPN_DISALLOWED_APPLICATION_LIST);
@@ -96,9 +97,14 @@ public void onAttach(Activity activity) {
     @Override
     public void onResume() {
         super.onResume();
+        updateTitle();
         updateVPNModeItem();
     }
 
+    private void updateTitle() {
+        getActivity().setTitle(R.string.title_activity_settings);
+    }
+
     private void updateVPNModeItem() {
         updateVPNModeItem(!prefs.getBoolean("proxy_mode", false));
     }