Update OCMock to 3.1.5

third_party/ocmock/OCMock/OCMBlockCaller.h

-//---------------------------------------------------------------------------------------
-//  $Id$
-//  Copyright (c) 2010 by Mulle Kybernetik. See License file for details.
-//---------------------------------------------------------------------------------------
+/*
+ *  Copyright (c) 2010-2015 Erik Doernenburg and contributors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use these files except in compliance with the License. You may obtain
+ *  a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ *  License for the specific language governing permissions and limitations
+ *  under the License.
+ */
 
 #import <Foundation/Foundation.h>
 
-#if NS_BLOCKS_AVAILABLE
 
 @interface OCMBlockCaller : NSObject 
 {
         void (^block)(NSInvocation *);
 }
 
 - (id)initWithCallBlock:(void (^)(NSInvocation *))theBlock;
 
 - (void)handleInvocation:(NSInvocation *)anInvocation;
 
 @end
 
-#endif