Rearrange mojo/nacl files.

nacl_bindings/monacl_sel_main.h

 // Copyright 2014 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.
 
 #ifndef MOJO_NACL_MONACL_SEL_MAIN_H_
 #define MOJO_NACL_MONACL_SEL_MAIN_H_
 
 #include "mojo/public/c/system/types.h"
 
 struct NaClDesc;
 
 namespace mojo {
 
 // Callee assumes ownership of |nexe_desc|, |irt_desc|, and |handle|.
 int LaunchNaCl(NaClDesc* nexe_desc,
                NaClDesc* irt_desc,
                int app_argc,
                char* app_argv[],
                MojoHandle handle);
 
 void NaClExit(int code);
 
-} // namespace mojo
+}  // namespace mojo
 
-#endif // MOJO_NACL_MONACL_SEL_MAIN_H_
+#endif  // MOJO_NACL_MONACL_SEL_MAIN_H_