fix crash related to hyperlink export, related #i20491#

Export of ooo20491-7.ods as xlsx

Change-Id: I43e1fd6dcb4bfbefea68c0b0a24c7ad0890d9efb
remove unnecessary stuff

Change-Id: Ideac5b1bdd86ed8eaf37d8f9554293d965cb8612
fix OpenGL text rendering

Change-Id: Ia5dd022d8b79d4276a92bcf741196137d5e9d36e