Clean up a few more unused globals.

chrome/common/external_ipc_fuzzer.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/common/external_ipc_fuzzer.h"
 
 #if defined(OS_LINUX)
 #include <dlfcn.h>
-#endif
 
 typedef IPC::ChannelProxy::OutgoingMessageFilter *(*GetFuzzerFunction)();
 const char kFuzzLibraryName[] = "libipcfuzz.so";
 const char kFuzzEntryName[] = "GetFilter";
+#endif
 
 IPC::ChannelProxy::OutgoingMessageFilter* LoadExternalIPCFuzzer() {
   IPC::ChannelProxy::OutgoingMessageFilter* result = NULL;
 
 #if defined(OS_LINUX)
-
   // Fuzz is currently linux-only feature
   void *fuzz_library =  dlopen(kFuzzLibraryName, RTLD_NOW);
   if (fuzz_library) {
     GetFuzzerFunction fuzz_entry_point =
         reinterpret_cast<GetFuzzerFunction>(
             dlsym(fuzz_library, kFuzzEntryName));
 
     if (fuzz_entry_point)
       result = fuzz_entry_point();
   }
 
   if (!result)
     LOG(WARNING) << dlerror() << "\n";
 
 #endif // OS_LINUX
 
   return result;
 }