advice: change "setupStreamFailure" to "setUpstreamFailure"

fb6fbffbda (advice: keep config name in camelCase in advice_config[],
2018-05-26) changed the config names to camelCase, but one of the names
wasn't changed correctly. Fix it.

Signed-off-by: Heba Waly <heba.waly@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

advice.c

@@ -80,7 +80,7 @@ static struct {
 	{ "sequencerInUse", &advice_sequencer_in_use },
 	{ "implicitIdentity", &advice_implicit_identity },
 	{ "detachedHead", &advice_detached_head },
-	{ "setupStreamFailure", &advice_set_upstream_failure },
+	{ "setUpstreamFailure", &advice_set_upstream_failure },
 	{ "objectNameWarning", &advice_object_name_warning },
 	{ "amWorkDir", &advice_amworkdir },
 	{ "rmHints", &advice_rm_hints },