Fix -Wpessimizing-move warning in llvm-config.cpp

llvm-svn: 252542
diff --git a/llvm/tools/llvm-config/llvm-config.cpp b/llvm/tools/llvm-config/llvm-config.cpp
index 44ab715..934d710 100644
--- a/llvm/tools/llvm-config/llvm-config.cpp
+++ b/llvm/tools/llvm-config/llvm-config.cpp
@@ -218,7 +218,7 @@
                            /*IncludeNonInstalled=*/IsInDevelopmentTree,
                            GetComponentNames, nullptr, nullptr);
 
-  return std::move(Components);
+  return Components;
 }
 
 int main(int argc, char **argv) {