Fix debug.log creation, which has been broken since r58501....

plugin/cross/main.cc

 /*
  * Copyright 2009, 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.
@@ skipping 314 matching lines @@
   if (err != NPERR_NO_ERROR) {
     return err;
   }
 
 #if !defined(O3D_INTERNAL_PLUGIN)
   // Turn on the logging.
   CommandLine::Init(0, NULL);
 
   FilePath log;
   file_util::GetTempDir(&log);
-  log.Append(O3D_DEBUG_LOG_FILENAME);
+  log = log.Append(O3D_DEBUG_LOG_FILENAME);
 
   InitLogging(log.value().c_str(),
               logging::LOG_TO_BOTH_FILE_AND_SYSTEM_DEBUG_LOG,
               logging::DONT_LOCK_LOG_FILE,
               logging::APPEND_TO_OLD_LOG_FILE);
 #endif  // O3D_INTERNAL_PLUGIN
 
   DLOG(INFO) << "NP_Initialize";
 
   return o3d::PlatformPostNPInitialize();
@@ skipping 64 matching lines @@
 }  // namespace o3d / extern "C"
 
 #if !defined(O3D_INTERNAL_PLUGIN)
 extern "C" {
 NPError EXPORT_SYMBOL NP_GetValue(void *instance, NPPVariable variable,
                                   void *value) {
   return o3d::NP_GetValue(variable, value);
 }
 }
 #endif