Update test to reflect new default is -swift-version 4.

tkremenek · tkremenek · commit 243f6145521b · 2017-04-22T22:15:30.000-07:00
diff --git a/test/Driver/swift-version-default.swift b/test/Driver/swift-version-default.swift
@@ -18,9 +18,9 @@ jkl
 #endif
 
 #if swift(>=4)
-aoeu
+aoeu // expected-error {{use of unresolved identifier}}
 #else
-htn // expected-error {{use of unresolved identifier}}
+htn 
 #endif
 
 #if swift(>=4.1)
