Use namespace for static taglib to avoid collision with taglib

linked to vlc

ext/libstrawberry-tagreader/tagreader.cpp

@@ -92,6 +92,10 @@
 #include "fmpsparser.h"
 #include "core/timeconstants.h"
 
+#ifndef USE_SYSTEM_TAGLIB
+using namespace Strawberry_TagLib;
+#endif
+
 class FileRefFactory {
  public:
   virtual ~FileRefFactory() {}