Modify the test code to work on MSVC/Windows.
Modify the test code to work on MSVC/Windows.

dlz1123/taglib,videolabs/taglib,i80and/taglib,i80and/taglib,pbhd/taglib,Distrotech/taglib,davispuh/taglib,taglib/taglib,dlz1123/taglib,black78/taglib,MaxLeb/taglib,Distrotech/taglib,MaxLeb/taglib,davispuh/taglib,TsudaKageyu/taglib,pbhd/taglib,black78/taglib,TsudaKageyu/taglib,black78/taglib,dlz1123/taglib,videolabs/taglib,TsudaKageyu/taglib,pbhd/taglib,taglib/taglib,i80and/taglib,MaxLeb/taglib,videolabs/taglib,taglib/taglib,Distrotech/taglib,davispuh/taglib