Avoid uint overflow in case the length + index is over UINT_MAX
Avoid uint overflow in case the length + index is over UINT_MAX

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