[ownership] Improve a lit test line.

This will make sure that the default block doesn't have an argument.

Author: gottesmm

test/SILOptimizer/mandatory_inlining_ossa_to_non_ossa.sil

@@ -283,7 +283,7 @@ bb6:
 // CHECK: [[SOME]]([[PAYLOAD:%.*]] :
 // CHECK:   release_value [[PAYLOAD]]
 //
-// CHECK: [[DEFAULT]]
+// CHECK: [[DEFAULT]]:
 // CHECK:   release_value [[ARG1]]
 // CHECK: } // end sil function 'term_non_ossa_caller'
 sil @term_non_ossa_caller : $@convention(thin) (@owned Builtin.NativeObject, @owned FakeOptional<Klass>) -> () {
@@ -292,4 +292,4 @@ bb0(%0 : $Builtin.NativeObject, %1 : $FakeOptional<Klass>):
   apply %2(%0, %1) : $@convention(thin) (@owned Builtin.NativeObject, @owned FakeOptional<Klass>) -> ()
   %9999 = tuple()
   return %9999 : $()
-}
+}