Only filter out <>:"/\|?* while exporting tracks.

Author: Cyp

src/core/RenderManager.cpp

@@ -203,7 +203,7 @@ QString RenderManager::pathForTrack(const Track *track, int num)
 {
 	QString extension = ProjectRenderer::getFileExtensionFromFormat( m_format );
 	QString name = track->name();
-	name = name.remove(QRegExp("[^a-zA-Z]"));
+	name = name.remove(QRegExp("[<>:\"/\\\\|?*]"));
 	name = QString( "%1_%2%3" ).arg( num ).arg( name ).arg( extension );
 	return QDir(m_outputPath).filePath(name);
 }

src/tracks/InstrumentTrack.cpp

@@ -1615,7 +1615,7 @@ void InstrumentTrackWindow::saveSettingsBtnClicked()
 	sfd.setDirectory( presetRoot + m_track->instrumentName() );
 	sfd.setFileMode( FileDialog::AnyFile );
 	QString fname = m_track->name();
-	sfd.selectFile( fname.remove(QRegExp("[^a-zA-Z0-9_\\-\\d\\s]")) );
+	sfd.selectFile(fname.remove(QRegExp("[<>:\"/\\\\|?*]")));
 	sfd.setDefaultSuffix( "xpf");
 
 	if( sfd.exec() == QDialog::Accepted &&