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

R=ivanpe@chromium.org

Review URL: https://codereview.chromium.org/1280853003

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk/src@1483 4c0a9323-5329-0410-9bdc-e9ce6186880e
diff --git a/processor/proc_maps_linux.cc b/processor/proc_maps_linux.cc
index 3730acc..1954cc8 100644
--- a/processor/proc_maps_linux.cc
+++ b/processor/proc_maps_linux.cc
@@ -61,7 +61,7 @@
     // 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) {