gdb: enable pretty-printer for uno::Reference
gdb: enable pretty-printer for uno::Reference

Change-Id: Ia4ac141d8e054d8558d77251c6f069a51a7e6fab

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core