CppunitTest_sw_uiwriter: enable on Windows
CppunitTest_sw_uiwriter: enable on Windows

I hope that the underlying problem is fixed now by commit
670100fcfbb39d3dbe4afdb27fbced26d7b14283 (Remove FastLoader
optimization, 2015-06-10).

Change-Id: I1cb577ec1f50a45b40683031e79c0999338a2926

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