Update comment test to quote parameter value.

Author: ldx

iptc/test/test_matches.py

@@ -216,7 +216,7 @@ def tearDown(self):
     def test_comment(self):
         comment = "comment test"
         self.match.reset()
-        self.match.comment = comment
+        self.match.comment = "\"%s\"" % (comment)
         self.chain.insert_rule(self.rule)
         self.assertEquals(self.match.comment.replace('"', ''), comment)