Fix const problem...

runtime/vm/object_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
@@ skipping 4211 matching lines @@
 // For example:
 //
 //    prefix = "classes"
 //    in = "\"id\":\"classes/46\""
 //
 // Yields:
 //
 //    out = "\"id\":\"\""
 //
 static void elideSubstring(const char* prefix, const char* in, char* out) {
-  char* pos = strstr(in, prefix);
+  const char* pos = strstr(in, prefix);
   while (pos != NULL) {
     // Copy up to pos into the output buffer.
     while (in < pos) {
       *out++ = *in++;
     }
 
     // Skip to the close quote.
     in += strcspn(in, "\"");
     pos = strstr(in, prefix);
   }
@@ skipping 294 matching lines @@
   EXPECT_VALID(h_result);
   Integer& result = Integer::Handle();
   result ^= Api::UnwrapHandle(h_result);
   String& foo = String::Handle(String::New("foo"));
   Integer& expected = Integer::Handle();
   expected ^= foo.HashCode();
   EXPECT(result.IsIdenticalTo(expected));
 }
 
 }  // namespace dart