Bug in tools/server-side/svnpubsub/svnwcsub.py

[sebb]

The following fails because fname is not defined:

self.read(fname) [1]

it should be

self.read(self.fname)

[1] 
http://svn.apache.org/viewvc/subversion/trunk/tools/server-side/svnpubsub/svnwcsub.py?view=markup#l378