Use OPT_SET_INT_F() for cmdline option specification

The only thing these commands need is extra parseopt flag which can be
passed in by OPT_SET_INT_F() and it is a bit more compact than full
struct initialization.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/branch.c b/builtin/branch.c
index efc9ac1..cc089f9 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -592,8 +592,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
 		OPT__QUIET(&quiet, N_("suppress informational messages")),
 		OPT_SET_INT('t', "track",  &track, N_("set up tracking mode (see git-pull(1))"),
 			BRANCH_TRACK_EXPLICIT),
-		{ OPTION_SET_INT, 0, "set-upstream", &track, NULL, N_("do not use"),
-			PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, BRANCH_TRACK_OVERRIDE },
+		OPT_SET_INT_F(0, "set-upstream", &track, N_("do not use"),
+			BRANCH_TRACK_OVERRIDE, PARSE_OPT_HIDDEN),
 		OPT_STRING('u', "set-upstream-to", &new_upstream, N_("upstream"), N_("change the upstream info")),
 		OPT_BOOL(0, "unset-upstream", &unset_upstream, N_("Unset the upstream info")),
 		OPT__COLOR(&branch_use_color, N_("use colored output")),