Add another test case for .vcf

This one uses a slightly different format of date.

automtime

@@ -814,7 +814,9 @@ mtime_vbox () {
 # File type: vcf (vCard contact)
 mtime_vcf () {
 	RAWTIME=$(sed -E -n -e 's/^REV:([^()]*)(\(.*\))?$/\1/p' <"$1" | sort | tail -1)
-	# $RAWTIME is like 2017-05-10T14:34:50Z
+	# $RAWTIME is like 2017-05-10T14:34:50Z or 20180213T070722Z
+	# Make sure it look like ISO-8601, then convert
+	RAWTIME=$(echo "$RAWTIME" | sed -E -e 's/([12][0-9][0-9][0-9])([0-9][0-9])([0-9][0-9])T([0-2][0-9])([0-9][0-9])([0-9][0-9])/\1-\2-\3T\4:\5:\6/')
 	if [ -n "$RAWTIME" -a "$RAWTIME" != "0" ]; then
 		TIME=$(normalize_iso_time "$RAWTIME")
 	fi

test-automtime-expected

@@ -76,3 +76,4 @@
 'testfiles/type2.png' '2021-10-11 12:34:56 +0000'
 'testfiles/type2.zip' '2021-10-15 06:16:44'
 'testfiles/type3.gpx' '2003-11-29 10:11:22 +0000'
+'testfiles/type3.vcf' '2008-10-31 06:58:54 +0000'

testfiles/type3.vcf

@@ -0,0 +1,11 @@
+BEGIN:VCARD
+VERSION:3.0
+FN:From Android
+N:And;Roid;;;
+TEL;TYPE=PREF;TYPE=VOICE:0300000000
+CLASS:PUBLIC
+X-GNO:0
+X-GN:group0
+X-REDUCTION:0
+REV:20081031T065854Z
+END:VCARD