Bug 732363 - Avoid running test_net_addr on windows; it is failing for unknown reasons (race?) r=jdm

netwerk/test/unit/xpcshell.ini

@@ -136,6 +136,8 @@ skip-if = os == "android"
 [test_multipart_streamconv_missing_lead_boundary.js]
 [test_nestedabout_serialize.js]
 [test_net_addr.js]
+# Bug 732363: test fails on windows for unknown reasons.
+skip-if = os == "win"
 [test_nojsredir.js]
 [test_offline_status.js]
 [test_parse_content_type.js]