'The tcl scripts should use the tclsh that was discovered
by the configure script.  Touch up their #! lines so that the
sed in the Makefile\'s install step has something to work on.
Requires the change in the associated patch file.fg'

def patch(self):

    if (self.spec.version <= Version('6.4.3')):
        for tclscript in glob('src/*.tcl'):
            filter_file('^#!.*tclsh', '#!@path_to_tclsh@', tclscript)
