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

[Nguyễn Thái Ngọc Duy]

Helped-by: Johannes Schindelin <johannes.schinde...@gmx.de>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
 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