Cleanup remaining class/struct fwd declarations

courgette/disassembler_elf_32_x86.h

 // 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.
 
 #ifndef COURGETTE_DISASSEMBLER_ELF_32_X86_H_
 #define COURGETTE_DISASSEMBLER_ELF_32_X86_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 
 #include "base/macros.h"
 #include "courgette/disassembler_elf_32.h"
 #include "courgette/types_elf.h"
 
 namespace courgette {
 
-class AssemblyProgram;
 class InstructionReceptor;
 
 class DisassemblerElf32X86 : public DisassemblerElf32 {
  public:
   // Returns true if a valid executable is detected using only quick checks.
   static bool QuickDetect(const uint8_t* start, size_t length) {
     return DisassemblerElf32::QuickDetect(start, length, EM_386);
   }
 
   class TypedRVAX86 : public TypedRVA {
@@ skipping 30 matching lines @@
   std::map<RVA, int> rel32_target_rvas_;
 #endif
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DisassemblerElf32X86);
 };
 
 }  // namespace courgette
 
 #endif  // COURGETTE_DISASSEMBLER_ELF_32_X86_H_