Fix, App crash after rotate the device previewing an image

src/com/owncloud/android/authentication/AuthenticatorActivity.java

@@ -216,7 +216,7 @@ public class AuthenticatorActivity extends AccountAuthenticatorActivity
             getSupportActionBar().setDisplayShowHomeEnabled(false);
             getSupportActionBar().setDisplayShowTitleEnabled(false);
         }
-        
+
         mIsFirstAuthAttempt = true;
 
         // bind to Operations Service

src/com/owncloud/android/ui/preview/PreviewImageActivity.java

@@ -92,7 +92,7 @@ public class PreviewImageActivity extends FileActivity implements
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        requestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY);
+        //requestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY);
         setContentView(R.layout.preview_image_activity);
 
         // Navigation Drawer
@@ -104,6 +104,8 @@ public class PreviewImageActivity extends FileActivity implements
         actionBar.setDisplayHomeAsUpEnabled(true);
         actionBar.hide();
 
+        updateActionBarTitleAndHomeButton();
+
         // Make sure we're running on Honeycomb or higher to use FullScreen and
         // Immersive Mode
         if (isHoneycombOrHigher()) {