Upstream fix for file renaming

Update to 2.4.1

• James Cowgill’s Opus parsing crash fix
• James Cowgill’s playlist writing crash fix
• Handle FLAC files with an invalid sample rate
• Fix generated playlist order
• Consistently use the GLib filename encoding
• Extensive refactoring of locale and encoding handling
• Improve fallback legacy locale detection
• Dennis Björklund’s CDDB fill fields fix
• Fix CDDB search fields and categories settings handling
• Use the correct encoding when writing ID3v2.4 tags
• Fix a linking error on Mac OS X
• Improve illegal character logic, especially for trailing characters
• Remove several outdated and unnecessary Windows compatibility wrappers
• Mario Blättermann’s German help translation update
• Marcus Gisslén’s Swedish help translation
• Josef Andersson’s Swedish translation update
• Мирослав Николић’s Serbian translation update
• Jordi Mas’ Catalan translation update
• Seong-ho Cho’s Korean translation update
• Daniel Mustieles’ Spanish translation updates
• Marek Černocký’s Czech translation update
• Åka Sikrom’s Norwegian bokmål translation update
• Piotr Drąg’s Polish translation update