[clang-tidy] Cleanup namespace in utils folder.

Summary:
This is a step forward cleaning up the namespaces in clang-tidy/utils.
There is no behavior change.

Reviewers: alexfh

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D19819

llvm-svn: 268356
diff --git a/clang-tools-extra/clang-tidy/misc/MoveConstructorInitCheck.h b/clang-tools-extra/clang-tidy/misc/MoveConstructorInitCheck.h
index 4544c1c..6f9dacb 100644
--- a/clang-tools-extra/clang-tidy/misc/MoveConstructorInitCheck.h
+++ b/clang-tools-extra/clang-tidy/misc/MoveConstructorInitCheck.h
@@ -38,8 +38,8 @@
   void
   handleParamNotMoved(const ast_matchers::MatchFinder::MatchResult &Result);
 
-  std::unique_ptr<IncludeInserter> Inserter;
-  const IncludeSorter::IncludeStyle IncludeStyle;
+  std::unique_ptr<utils::IncludeInserter> Inserter;
+  const utils::IncludeSorter::IncludeStyle IncludeStyle;
   const bool UseCERTSemantics;
 };