fix compile error after lib merges

# Conflicts:
#	src/com/owncloud/android/ui/activity/ShareActivity.java

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

@@ -43,7 +43,6 @@ 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;
@@ -52,8 +51,10 @@ 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
  */