fix build of raptor on mingw
fix build of raptor on mingw

configure needs to find xml-config .

Change-Id: I6f80c9acda770886e5923ba8d5cb7c8bd3e11a94

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