fix import

src/main/java/com/owncloud/android/ui/activity/ShareActivity.java

@@ -43,6 +43,7 @@ import com.owncloud.android.operations.CreateShareViaLinkOperation;
 import com.owncloud.android.operations.GetSharesForFileOperation;
 import com.owncloud.android.operations.UnshareOperation;
 import com.owncloud.android.operations.UpdateSharePermissionsOperation;
+import com.owncloud.android.providers.UsersAndGroupsSearchProvider;
 import com.owncloud.android.ui.dialog.ShareLinkToDialog;
 import com.owncloud.android.ui.fragment.EditShareFragment;
 import com.owncloud.android.ui.fragment.SearchShareesFragment;
@@ -51,10 +52,8 @@ import com.owncloud.android.ui.fragment.ShareFragmentListener;
 import com.owncloud.android.utils.ErrorMessageAdapter;
 import com.owncloud.android.utils.GetShareWithUsersAsyncTask;
 
-import org.nextcloud.providers.UsersAndGroupsSearchProvider;
 import java.util.ArrayList;
 
-
 /**
  * Activity for sharing files
  */