[PATCH v2 3/3] diff.c: simplify diff_opt_break_rewrites()

[Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>]

Helped-by: Johannes Schindelin <Johannes.Schindelin@xxxxxx>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 diff.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/diff.c b/diff.c
index da5ba835ce..2351571251 100644
--- a/diff.c
+++ b/diff.c
@@ -4814,20 +4814,15 @@ static int diff_opt_break_rewrites(const struct option *opt,
 				   const char *arg, int unset)
 {
 	int *break_opt = opt->value;
-	int opt1, opt2;
+	int opt1, opt2 = 0;
 
 	BUG_ON_OPT_NEG(unset);
 	if (!arg)
 		arg = "";
 	opt1 = parse_rename_score(&arg);
-	switch (*arg) {
-	case '\0':
-		opt2 = 0;
-		break;
-	case '/':
+	if (*arg == '/') {
 		arg++;
 		opt2 = parse_rename_score(&arg);
-		break;
 	}
 	if (*arg != 0)
 		return error(_("%s expects <n>/<m> form"), opt->long_name);
-- 
2.20.1.560.g70ca8b83ee