Fix a change breaks compatibility with Win9x
Fix a change breaks compatibility with Win9x

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