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

src/processor/proc_maps_linux.cc

 // 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.
 
 #include "google_breakpad/processor/proc_maps_linux.h"
 
 #include <fcntl.h>
 #include <stdio.h>
 
 #if defined(OS_LINUX) || defined(OS_ANDROID)
@@ skipping 43 matching lines @@
     int path_index = 0;
 
     // Sample format from man 5 proc:
     //
     // address           perms offset  dev   inode   pathname
     // 08048000-08056000 r-xp 00000000 03:0c 64593   /usr/sbin/gpm
     //
     // The final %n term captures the offset in the input string, which is used
     // to determine the path name. It *does not* increment the return value.
     // Refer to man 3 sscanf for details.
-    if (sscanf(line, "%" SCNxPTR "-%" SCNxPTR " %4c %lx %hhx:%hhx %ld %n",
+    if (sscanf(line, "%lx-%lx %4c %lx %hhx:%hhx %ld %n",
                &region.start, &region.end, permissions, &region.offset,
                &region.major_device, &region.minor_device, &region.inode,
                &path_index) < 7) {
       BPLOG(ERROR) << "sscanf failed for line: " << line;
       return false;
     }
 
     region.permissions = 0;
 
     if (permissions[0] == 'r')
@@ skipping 20 matching lines @@
     regions.push_back(region);
     regions.back().path.assign(line + path_index);
     regions.back().line.assign(line);
   }
 
   regions_out->swap(regions);
   return true;
 }
 
 }  // namespace google_breakpad