Fix typos in LMathFround declarations.

src/x64/lithium-x64.h

 // Copyright 2012 the V8 project 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 V8_X64_LITHIUM_X64_H_
 #define V8_X64_LITHIUM_X64_H_
 
 #include "src/hydrogen.h"
 #include "src/lithium.h"
 #include "src/lithium-allocator.h"
@@ skipping 849 matching lines @@
   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
 };
 
 
 class LMathFround V8_FINAL : public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LMathFround(LOperand* value) { inputs_[0] = value; }
 
   LOperand* value() { return inputs_[0]; }
 
-  DECLARE_CONCRETE_INSTRUCTION(MathRound, "math-fround")
+  DECLARE_CONCRETE_INSTRUCTION(MathFround, "math-fround")
 };
 
 
 class LMathAbs V8_FINAL : public LTemplateInstruction<1, 2, 0> {
  public:
   explicit LMathAbs(LOperand* context, LOperand* value) {
     inputs_[1] = context;
     inputs_[0] = value;
   }
 
@@ skipping 2002 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::int
 
 #endif  // V8_X64_LITHIUM_X64_H_