parse-options: stop abusing 'callback' for lowlevel callbacks

diff --git a/builtin/merge.c b/builtin/merge.c
index dc0b7cc521c26f4c0ef1c6440d17c0f35ac1c983..07839b0bb8f922e5bab1757c8739b2c20082a874 100644 (file)
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -261,7 +261,7 @@ static struct option builtin_merge_options[] = {
                option_parse_message),
        { OPTION_LOWLEVEL_CALLBACK, 'F', "file", &merge_msg, N_("path"),
                N_("read message from file"), PARSE_OPT_NONEG,
-               (parse_opt_cb *) option_read_message },
+               NULL, 0, option_read_message },
        OPT__VERBOSITY(&verbosity),
        OPT_BOOL(0, "abort", &abort_current_merge,
                N_("abort the current in-progress merge")),