[clang-tidy] misc-move-const-arg: Fix typos

[alexfh]

LG. I'll commit the patch for you.

clang-tidy/misc/MoveConstantArgumentCheck.h

-//===--- MoveConstandArgumentCheck.h - clang-tidy -------------------------===//
+//===--- MoveConstantArgumentCheck.h - clang-tidy -------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MOVECONTANTARGUMENTCHECK_H
-#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MOVECONTANTARGUMENTCHECK_H
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MOVECONSTANTARGUMENTCHECK_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MOVECONSTANTARGUMENTCHECK_H
 
 #include "../ClangTidy.h"
 
 namespace clang {
 namespace tidy {
 namespace misc {
 
 class MoveConstantArgumentCheck : public ClangTidyCheck {
 public:
   MoveConstantArgumentCheck(StringRef Name, ClangTidyContext *Context)
       : ClangTidyCheck(Name, Context) {}
   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
 };
 
 } // namespace misc
 } // namespace tidy
 } // namespace clang
 
-#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MOVECONTANTARGUMENTCHECK_H
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MOVECONSTANTARGUMENTCHECK_H

clang-tidy/misc/MoveConstantArgumentCheck.cpp

-//===--- MoveConstandArgumentCheck.cpp - clang-tidy -----------------------===//
+//===--- MoveConstantArgumentCheck.cpp - clang-tidy -----------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//