Removed an incorred namespace-end comment

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@372593 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/clang-tidy/bugprone/ArgumentCommentCheck.cpp b/clang-tidy/bugprone/ArgumentCommentCheck.cpp
index fa1d234..4da91d1 100644
--- a/clang-tidy/bugprone/ArgumentCommentCheck.cpp
+++ b/clang-tidy/bugprone/ArgumentCommentCheck.cpp
@@ -324,7 +324,7 @@
           << FixItHint::CreateInsertion(Args[I]->getBeginLoc(), ArgComment);
     }
   }
-} // namespace bugprone
+}
 
 void ArgumentCommentCheck::check(const MatchFinder::MatchResult &Result) {
   const auto *E = Result.Nodes.getNodeAs<Expr>("expr");