Use namespace for static taglib to avoid collision with taglib

linked to vlc

3rdparty/taglib/tagunion.h

@@ -30,7 +30,7 @@
 
 #ifndef DO_NOT_DOCUMENT
 
-namespace TagLib {
+namespace Strawberry_TagLib::TagLib {
 
   /*!
    * \internal
@@ -43,7 +43,7 @@ namespace TagLib {
     enum AccessType { Read, Write };
 
     /*!
-     * Creates a TagLib::Tag that is the union of \a first, \a second, and
+     * Creates a Strawberry_TagLib::TagLib::Tag that is the union of \a first, \a second, and
      * \a third.  The TagUnion takes ownership of these tags and will handle
      * their deletion.
      */