Silence warnings with MinGW 4.6.3.
Silence warnings with MinGW 4.6.3.

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