Apply modernize-use-default to clang-tools-extra.

Summary: Replace empty bodies of default constructors and destructors with '= default'.

Reviewers: klimek

Subscribers: alexfh, cfe-commits

Differential Revision: http://reviews.llvm.org/D13889

llvm-svn: 250824
diff --git a/clang-tools-extra/clang-query/Query.cpp b/clang-tools-extra/clang-query/Query.cpp
index 74eb6ea..594c742 100644
--- a/clang-tools-extra/clang-query/Query.cpp
+++ b/clang-tools-extra/clang-query/Query.cpp
@@ -20,7 +20,7 @@
 namespace clang {
 namespace query {
 
-Query::~Query() {}
+Query::~Query() = default;
 
 bool InvalidQuery::run(llvm::raw_ostream &OS, QuerySession &QS) const {
   OS << ErrStr << "\n";