Use closefrom() or close_range() when possible

To avoid leaking file descriptors into subprocesses.

Fixes: https://github.com/libarchive/libarchive/issues/2520

build/cmake/config.h.in

@@ -405,6 +405,12 @@ typedef uint64_t uintmax_t;
 /* Define to 1 if you have the `chroot' function. */
 #cmakedefine HAVE_CHROOT 1
 
+/* Define to 1 if you have the `closefrom' function. */
+#cmakedefine HAVE_CLOSEFROM 1
+
+/* Define to 1 if you have the `close_range' function. */
+#cmakedefine HAVE_CLOSE_RANGE 1
+
 /* Define to 1 if you have the <copyfile.h> header file. */
 #cmakedefine HAVE_COPYFILE_H 1