Fix #35 Reviewed Up button behaviour

app/src/main/java/info/knacki/pass/settings/ui/SettingsActivity.java

@@ -18,7 +18,6 @@ import android.preference.PreferenceActivity;
 import android.preference.PreferenceFragment;
 import android.preference.SwitchPreference;
 import android.provider.MediaStore;
-import android.support.v4.app.NavUtils;
 import android.support.v4.app.ShareCompat;
 import android.support.v4.content.FileProvider;
 import android.support.v7.app.ActionBar;
@@ -101,9 +100,7 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
     public boolean onMenuItemSelected(int featureId, MenuItem item) {
         int id = item.getItemId();
         if (id == android.R.id.home) {
-            if (!super.onMenuItemSelected(featureId, item)) {
-                NavUtils.navigateUpFromSameTask(this);
-            }
+            onBackPressed();
             return true;
         }
         return super.onMenuItemSelected(featureId, item);