Update test: protocols.swift for LifetimeDependence evaluation

Evaluating LifetimeDependence changes the order that the declarations are
diagnosed. Fix this test output by flipping the order of two declarations. The
new order actually makes more sense to me.

(cherry picked from commit c40fd2a)

Author: atrick

test/decl/protocol/protocols.swift

@@ -111,9 +111,9 @@ struct DoesNotConform : Up {
 
 // Circular protocols
 
+protocol CircleStart : CircleEnd { func circle_start() } // expected-error 2 {{protocol 'CircleStart' refines itself}}
 protocol CircleMiddle : CircleStart { func circle_middle() }
 // expected-note@-1 2 {{protocol 'CircleMiddle' declared here}}
-protocol CircleStart : CircleEnd { func circle_start() } // expected-error 2 {{protocol 'CircleStart' refines itself}}
 protocol CircleEnd : CircleMiddle { func circle_end()} // expected-note 2 {{protocol 'CircleEnd' declared here}}
 
 protocol CircleEntry : CircleTrivial { }