configure: require libexttextcat 3.4.1
configure: require libexttextcat 3.4.1

... following commit cc96b2738b608782edffb4cc368d45255f31377b

Change-Id: I152875b6f72ff972d004f6df11325ce89f43ad9d

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