builtin/commit.c: extract ignore_non_trailer() helper function

diff --git a/t/test-terminal.perl b/t/test-terminal.perl
index 10172aee18292b50aa24b3a8694b5383c1cfd98e..1fb373f25bac42648a0779ffd42f1ae0eaec359a 100755 (executable)
--- a/t/test-terminal.perl
+++ b/t/test-terminal.perl
@@ -31,7 +31,7 @@ sub finish_child {
        } elsif ($? & 127) {
                my $code = $? & 127;
                warn "died of signal $code";
-               return $code - 128;
+               return $code + 128;
        } else {
                return $? >> 8;
        }