add import

Author: labkey-klum

study/src/org/labkey/study/query/DatasetUpdateService.java

@@ -58,6 +58,7 @@
 import org.labkey.api.query.FieldKey;
 import org.labkey.api.query.InvalidKeyException;
 import org.labkey.api.query.QueryService;
+import org.labkey.api.query.QueryUpdateService;
 import org.labkey.api.query.QueryUpdateServiceException;
 import org.labkey.api.query.SimpleValidationError;
 import org.labkey.api.query.ValidationException;