Turn unique_ptr<decltype(fclose and free)> into real deleter types (warnings now, UB in C++20)

1 files changed, 1 insertions, 1 deletions

diff --git a/apt-pkg/acquire.cc b/apt-pkg/acquire.cc
index 7ebfa4ffe..f367e4310 100644
--- a/apt-pkg/acquire.cc
+++ b/apt-pkg/acquire.cc
@@ -605,7 +605,7 @@ static bool IsAccessibleBySandboxUser(std::string const &filename, bool const Re
 
       char const * const filetag = ".apt-acquire-privs-test.XXXXXX";
       std::string const tmpfile_tpl = flCombine(dirname, filetag);
-      std::unique_ptr<char, decltype(std::free) *> tmpfile { strdup(tmpfile_tpl.c_str()), std::free };
+      std::unique_ptr<char, FreeDeleter> tmpfile { strdup(tmpfile_tpl.c_str()) };
       int const fd = mkstemp(tmpfile.get());
       if (fd == -1 && errno == EACCES)
 	 return false;