remove extra blank line

Author: 0000xFFFF

src/libaudcore/tuple.h

@@ -83,7 +83,6 @@ class Tuple
         Path,     /* Folder path, including the trailing "/" */
         Suffix,   /* Filename extension, not including the "." */
 
-
         AudioFile, /* URI of audio file, if different from the nominal URI
                     * (e.g. for a cuesheet entry, where the nominal URI
                     * points to the .cue file) */