gtk3: make CTRL_TAB_BODY a successful no-op like gtk2
gtk3: make CTRL_TAB_BODY a successful no-op like gtk2

Change-Id: Icdd065e4c75df65fdcd287802fdb70e5e84be60c

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