reportbuilder: fix javadoc error: no summary or caption for table

Change-Id: I5697ebe0481491d70ee728cac5343aaf892ad29f
Reviewed-on: https://gerrit.libreoffice.org/11242Reviewed-by: Thomas Arnhold <thomas@arnhold.org>
Tested-by: Thomas Arnhold <thomas@arnhold.org>

reportbuilder/java/org/libreoffice/report/ReportJob.java

@@ -24,7 +24,7 @@ import java.io.IOException;
  * not yet been started, canceled), and the job status can be queried (scheduled,
  * running, finished).
  *
- * <table border="1">
+ * <table summary="Job status values" border="1">
  * <tr>
  * <th>JobStatus</th><th>running</th><th>finished</th>
  * </tr>