[clang-format] Fix a clang-tidy warning, NFC

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@306409 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Format/NamespaceEndCommentsFixer.cpp b/lib/Format/NamespaceEndCommentsFixer.cpp
index 1bbb41f757ae28916ba406a1fb3d76bee233b0ec..85b70b8c0a7687d4755a99bf1fca54914ee1ecb2 100644 (file)
--- a/lib/Format/NamespaceEndCommentsFixer.cpp
+++ b/lib/Format/NamespaceEndCommentsFixer.cpp
@@ -174,7 +174,7 @@ tooling::Replacements NamespaceEndCommentsFixer::analyze(
         AllNamespaceNames = "::" + NamespaceName + AllNamespaceNames;
         continue;
       }
-      NamespaceName += std::move(AllNamespaceNames);
+      NamespaceName += AllNamespaceNames;
       CompactedNamespacesCount = 0;
       AllNamespaceNames = std::string();
     }