Cleanup include guards:

src/ia32/assembler-ia32-inl.h

 // Copyright (c) 1994-2006 Sun Microsystems 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 16 matching lines @@
 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // The original source code covered by the above license above has been
 // modified significantly by Google Inc.
 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 
 // A light-weight IA32 Assembler.
 
-#ifndef V8_ASSEMBLER_IA32_INL_H_
-#define V8_ASSEMBLER_IA32_INL_H_
+#ifndef V8_IA32_ASSEMBLER_IA32_INL_H_
+#define V8_IA32_ASSEMBLER_IA32_INL_H_
 
 #include "cpu.h"
 
 namespace v8 { namespace internal {
 
 Condition NegateCondition(Condition cc) {
   return static_cast<Condition>(cc ^ 1);
 }
 
 
@@ skipping 243 matching lines @@
 
 
 Operand::Operand(int32_t disp, RelocInfo::Mode rmode) {
   // [disp/r]
   set_modrm(0, ebp);
   set_dispr(disp, rmode);
 }
 
 } }  // namespace v8::internal
 
-#endif  // V8_ASSEMBLER_IA32_INL_H_
+#endif  // V8_IA32_ASSEMBLER_IA32_INL_H_