C++11: Use type aliases instead of typedefs

compat/mac/mach-o/getsect.h

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file 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,
@@ skipping 14 matching lines @@
 
 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
 
 #include <mach-o/loader.h>
 #include <stdint.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-// Don’t use a typedef to account for the mach_header/mach_header_64 difference
-// between the 32-bit and 64-bit versions of getsectiondata() and
+// Don’t use a type alias to account for the mach_header/mach_header_64
+// difference between the 32-bit and 64-bit versions of getsectiondata() and
 // getsegmentdata(). This file should be faithfully equivalent to the native
-// SDK, and adding typedefs here would pollute the namespace in a way that the
-// native SDK does not.
+// SDK, and adding type aliases here would pollute the namespace in a way that
+// the native SDK does not.
 
 #if !defined(__LP64__)
 
 uint8_t* getsectiondata(const struct mach_header* mhp,
                         const char* segname,
                         const char* sectname,
                         unsigned long* size);
 
 uint8_t* getsegmentdata(
     const struct mach_header* mhp, const char* segname, unsigned long* size);
@@ skipping 10 matching lines @@
 
 #endif
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
 
 #endif  // CRASHPAD_COMPAT_MAC_MACH_O_GETSECT_H_