Switch to std::filesystem

Change-Id: I61a4b4562b3c7fabefb07dced580d2b20d7b6d78
diff --git a/wscript b/wscript
index 67ece59..6cda429 100644
--- a/wscript
+++ b/wscript
@@ -39,7 +39,7 @@
     conf.check_sqlite3()
     conf.check_openssl(lib='crypto', atleast_version='1.1.1')
 
-    conf.check_boost(lib='filesystem', mt=True)
+    conf.check_boost()
     if conf.env.BOOST_VERSION_NUMBER < 107100:
         conf.fatal('The minimum supported version of Boost is 1.71.0.\n'
                    'Please upgrade your distribution or manually install a newer version of Boost.\n'