Fix formatting in test/SILGen/accessibility_vtables_testable.swift

Author: slavapestov

test/SILGen/accessibility_vtables_testable.swift

@@ -20,7 +20,7 @@
 import accessibility_vtables_testable_helper
 
 public class Derived : Middle {
-	open override func method() {}
+  open override func method() {}
 }
 
 // LIBRARY-LABEL: sil_vtable {{(\[serialized\] )?}}Base {
@@ -46,4 +46,4 @@ public class Derived : Middle {
 // RESILIENT-CLIENT-LABEL: sil_vtable [serialized] Derived {
 // RESILIENT-CLIENT-NEXT:    #Middle.method: (Middle) -> () -> () : @$s30accessibility_vtables_testable7DerivedC6methodyyF [override]	// Derived.method()
 // RESILIENT-CLIENT-NEXT:    #Derived.deinit!deallocator: @$s30accessibility_vtables_testable7DerivedCfD	// Derived.__deallocating_deinit
-// RESILIENT-CLIENT-NEXT:  }
+// RESILIENT-CLIENT-NEXT:  }