Fix source range check.

src/url_canon_host.cc

 // Copyright 2007, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 140 matching lines @@
                          reinterpret_cast<unsigned char*>(&source))) {
         // Invalid escaped character. There is nothing that can make this
         // host valid. We append an escaped percent so the URL looks reasonable
         // and mark as failed.
         AppendEscapedChar('%', output);
         success = false;
         continue;
       }
     }
 
-    if (source <= 0x80) {
+    if (source < 0x80) {
       // We have ASCII input, we can use our lookup table.
       unsigned char replacement = kHostCharLookup[source];
       if (!replacement) {
         // Invalid character, add it as percent-escaped and mark as failed.
         AppendEscapedChar(source, output);
         success = false;
       } else if (replacement == kEsc) {
         // This character is valid but should be escaped.
         AppendEscapedChar(source, output);
       } else {
@@ skipping 220 matching lines @@
 }
 
 void CanonicalizeHostVerbose(const char16* spec,
                              const url_parse::Component& host,
                              CanonOutput* output,
                              CanonHostInfo *host_info) {
   DoHost<char16, char16>(spec, host, output, host_info);
 }
 
 }  // namespace url_canon