Issue 119790

build：
AOO3.4 r1327774

steps：
1）new a writer document
2)insert a table
3)Move focus in one cell, right click, then click "Caption" in the context menu.
4)Input a name into the "Caption" text box, then click "OK" button.
5)Move focus to the doc, click main menu "Insert->Cross-reference..."
6)Select "Type->Table" and "Selection->Table 1" and any item of "Insert reference to", then click "Insert" button.
7)check cross reference can be inserted successfully
8)save to doc file
9)close and reopen by AOO or MS office

defect:
cross reference will be lost.