Merge remote-tracking branch 'TsudaKageyu/id3v2-brokenlatin1-patch'

diff --cc taglib/mpeg/id3v2/frames/commentsframe.cpp
Simple merge

diff --cc taglib/mpeg/id3v2/frames/textidentificationframe.cpp
Simple merge

diff --cc taglib/mpeg/id3v2/frames/unsynchronizedlyricsframe.cpp
Simple merge