update engine: 32- and 64-bit compile

src/platform/update_engine/utils.cc

Index: src/platform/update_engine/utils.cc
diff --git a/src/platform/update_engine/utils.cc b/src/platform/update_engine/utils.cc
index e1ed8747fbf4cfde2a6fd9f9cf755a82134220e3..285b1e3ee39693cbc57114f28ef4bb3fc2404a39 100644
--- a/src/platform/update_engine/utils.cc
+++ b/src/platform/update_engine/utils.cc
@@ -80,7 +80,7 @@ void HexDumpArray(const unsigned char* const arr, const size_t length) {
       reinterpret_cast<const unsigned char* const>(arr);
   LOG(INFO) << "Logging array of length: " << length;
   const unsigned int bytes_per_line = 16;
-  for (size_t i = 0; i < length; i += bytes_per_line) {
+  for (uint32 i = 0; i < length; i += bytes_per_line) {

[Daniel Erat, 2010/04/15 00:55:47]

uint32_t

     const unsigned int bytes_remaining = length - i;
     const unsigned int bytes_per_this_line = min(bytes_per_line,
                                                  bytes_remaining);