Fix appending spotify tracks

src/libtomahawk/dropjob.cpp

@@ -413,6 +413,7 @@ DropJob::handleSpotifyUrl( const QString& url )
 
     tDebug() << "Got a spotify browse uri in dropjob!" << browseUri;
     SpotifyParser* spot = new SpotifyParser( browseUri, dropAction() == Create, this );
+    spot->setSingleMode( false );
 
     /// This currently supports draging and dropping a spotify playlist and artist
     if ( dropAction() == Append )

src/libtomahawk/utils/spotifyparser.h

@@ -52,6 +52,10 @@ public:
     explicit SpotifyParser( const QStringList& trackUrls, bool createNewPlaylist = false, QObject* parent = 0 );
     virtual ~SpotifyParser();
 
+    // if true, emits track(), if false, emits tracks().
+    // only matters if you're using the QStrin constructor and explicityl dont' want
+    // the single track signal
+    void setSingleMode( bool single ) { m_single = single; }
 
 signals:
     void track( const Tomahawk::query_ptr& track );