unique_ptr-ify ASTReaderListener in the ASTReader

llvm-svn: 215317
diff --git a/clang/lib/Frontend/ModuleDependencyCollector.cpp b/clang/lib/Frontend/ModuleDependencyCollector.cpp
index d30f921..485ca0a 100644
--- a/clang/lib/Frontend/ModuleDependencyCollector.cpp
+++ b/clang/lib/Frontend/ModuleDependencyCollector.cpp
@@ -38,7 +38,7 @@
 }
 
 void ModuleDependencyCollector::attachToASTReader(ASTReader &R) {
-  R.addListener(new ModuleDependencyListener(*this));
+  R.addListener(llvm::make_unique<ModuleDependencyListener>(*this));
 }
 
 void ModuleDependencyCollector::writeFileMap() {