SF Bug Tracker id 3175217 - Crash bug in Parser_addNamespace()
SF Bug Tracker id 3175217 - Crash bug in Parser_addNamespace()

(This is a fix to commit 86bef09787e43dea58515284a7c9f4a808a5d311)
(cherry picked from commit ad7272d2b55e4d5a9527c7a59a274f3079f4e3dc)

mrjimenez/pupnp,mrjimenez/pupnp,commshare/pupnp,mrjimenez/pupnp,mrjimenez/pupnp,commshare/pupnp,commshare/pupnp,BelledonneCommunications/libupnp,BelledonneCommunications/libupnp,BelledonneCommunications/libupnp,BelledonneCommunications/libupnp