Minor improvements.

* Add new TLS policy `direct` as a replacement for `legacy`.
* Document that `/[command]?` prints the help of a command.
* Add option to get help via `/command help`.
* Fix `my-prof.supp` generation and tests for out-of-source builds.

Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>

src/config/cafile.c

@@ -53,8 +53,7 @@ _cafile_name(void)
     if (!create_dir(certs_dir)) {
         return NULL;
     }
-    gchar* filename = g_strdup_printf("%s/CAfile.pem", certs_dir);
-    return filename;
+    return g_strdup_printf("%s/CAfile.pem", certs_dir);
 }
 
 void