[clang-tidy] use = default

Found with modernize-use-equals-default

Signed-off-by: Rosen Penev <rosenp@gmail.com>

src/db/plugins/upnp/Directory.cxx

@@ -30,10 +30,8 @@
 
 #include <string.h>
 
-UPnPDirContent::~UPnPDirContent()
-{
-	/* this destructor exists here just so it won't get inlined */
-}
+/* this destructor exists here just so it won't get inlined */
+UPnPDirContent::~UPnPDirContent() = default;
 
 gcc_pure
 static UPnPDirObject::ItemClass

src/db/plugins/upnp/Object.cxx

@@ -19,7 +19,5 @@
 
 #include "Object.hxx"
 
-UPnPDirObject::~UPnPDirObject() noexcept
-{
-	/* this destructor exists here just so it won't get inlined */
-}
+/* this destructor exists here just so it won't get inlined */
+UPnPDirObject::~UPnPDirObject() noexcept = default;