Small refactoring of tbytevector.cpp
Small refactoring of tbytevector.cpp

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