Fixed warnings in MinGW
Fixed warnings in MinGW

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