Merge branch 'rs/shortlog-cleanup' into maint

Code clean-up.

* rs/shortlog-cleanup:
  shortlog: don't set after_subject to an empty string

builtin/shortlog.c

@@ -149,7 +149,6 @@ void shortlog_add_commit(struct shortlog *log, struct commit *commit)
 	ctx.fmt = CMIT_FMT_USERFORMAT;
 	ctx.abbrev = log->abbrev;
 	ctx.subject = "";
-	ctx.after_subject = "";
 	ctx.date_mode.type = DATE_NORMAL;
 	ctx.output_encoding = get_log_output_encoding();