Fix format specifier in proc maps to support 32-bit architectures.

src/google_breakpad/processor/proc_maps_linux.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BASE_DEBUG_PROC_MAPS_LINUX_H_
 #define BASE_DEBUG_PROC_MAPS_LINUX_H_
 
 #include <string>
 #include <vector>
 
 #include "common/using_std_string.h"
 #include "google_breakpad/common/breakpad_types.h"
 
 namespace google_breakpad {
 
 // Describes a region of mapped memory and the path of the file mapped.
 struct MappedMemoryRegion {
   enum Permission {
     READ = 1 << 0,
     WRITE = 1 << 1,
     EXECUTE = 1 << 2,
     PRIVATE = 1 << 3,  // If set, region is private, otherwise it is shared.
   };
 
   // The address range [start,end) of mapped memory.
-  uintptr_t start;
-  uintptr_t end;
+  uint64_t start;
+  uint64_t end;
 
   // Byte offset into |path| of the range mapped into memory.
   uint64_t offset;
 
   // Bitmask of read/write/execute/private/shared permissions.
   uint8_t permissions;
 
   // Major and minor devices.
   uint8_t major_device;
   uint8_t minor_device;
@@ skipping 13 matching lines @@
 };
 
 // Parses /proc/<pid>/maps input data and stores in |regions|. Returns true
 // and updates |regions| if and only if all of |input| was successfully parsed.
 bool ParseProcMaps(const std::string& input,
                    std::vector<MappedMemoryRegion>* regions);
 
 }  // namespace google_breakpad
 
 #endif  // BASE_DEBUG_PROC_MAPS_LINUX_H_