Cannot delete songs

Hello,

I cannot delete any song which does not have any audio files (linked audio).

Cheers

**OpenLP Bug Report**
Version: {u'full': u'1.9.6-bzr1744', u'version': u'1.9.6', u'build': u'bzr1744'}

--- Exception Traceback ---
Traceback (most recent call last):
  File "D:\OpenLP_Code\trunk\build\pyi.win32\OpenLP\outPYZ1.pyz/openlp.plugins.songs.lib.mediaitem", line 405, in onDeleteClick
NameError: global name 'save_path' is not defined

--- System information ---
Plattform: Windows-XP-5.1.2600-SP3

--- Library Versions ---
Python: 2.6.6
Qt4: 4.7.1
Phonon: 4.4.0
PyQt4: 4.8.3
SQLAlchemy: 0.6.6
BeautifulSoup: 3.2.0
lxml: 2.2.4
Chardet: 1.0.1
PyEnchant: 1.6.5
PySQLite: 1.0.1