[cvsspam-devel] Minor fix for subversion property handling

[Joe Eiler]

We shouldn't die if the user does a property change where the property
has no value.  This problem was discovered by someone who had screwed up
their auto-props setting in .subversion/config.

Joe
Oh, and if you see an authorization message in your log that was my
fault, I thought I was in my local repo and not the real one.

--- svn_post_commit_hook.rb     (revision 246)
+++ svn_post_commit_hook.rb     (working copy)
@@ -238,7 +238,7 @@
 end

 def assert_prop_match(a, b)
-  if a != b
+  if b != nil && a != b
     raise "property mismatch: #{a.inspect}!=#{b.inspect}"
   end
 end