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: Johan Sageryd <j416@1616.se>
Signed-off-by: Jeff King <peff@peff.net>

date.c

diff --git a/date.c b/date.c
index e9ee4aa..5d05ef6 100644
--- a/date.c
+++ b/date.c
@@ -123,7 +123,7 @@
 		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

diff --git a/t/t0006-date.sh b/t/t0006-date.sh
index a4d8fa8..75b02af 100755
--- a/t/t0006-date.sh
+++ b/t/t0006-date.sh
@@ -24,6 +24,7 @@
 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