Fix '--relative-date'

This fixes '--relative-date' so that it does not give '0
year, 12 months', for the interval 360 <= diff < 365.
Signed-off-by: NJohan Sageryd <j416@1616.se>
Signed-off-by: NJeff King <peff@peff.net>

date.c

@@ -123,7 +123,7 @@ const char *show_date_relative(unsigned long time, int tz,
 		return timebuf;
 	}
 	/* Say months for the past 12 months or so */
-	if (diff < 360) {
+	if (diff < 365) {
 		snprintf(timebuf, timebuf_size, "%lu months ago", (diff + 15) / 30);
 		return timebuf;
 	}

t/t0006-date.sh

@@ -24,6 +24,7 @@ check_show 13000000 '5 months ago'
 check_show 37500000 '1 year, 2 months ago'
 check_show 55188000 '1 year, 9 months ago'
 check_show 630000000 '20 years ago'
+check_show 31449600 '12 months ago'
 
 check_parse() {
 	echo "$1 -> $2" >expect