Make the new 'set date and time' dialog default to skip

X-MFC-With:	302790
Requested by:	nwhitehorn

usr.sbin/bsdinstall/scripts/time

@@ -40,6 +40,7 @@ DATE=$(dialog --backtitle 'FreeBSD Installer' \
 	--title 'Time & Date' \
 	--ok-label 'Set Date' \
 	--cancel-label 'Skip' \
+	--defaultno \
 	--date-format '%Y%m%d%H%M.%S' \
 	--calendar '' 2 40 \
 2>&1 1>&3) && date $DATE
@@ -51,6 +52,7 @@ TIME=$(dialog --backtitle 'FreeBSD Installer' \
 	--title 'Time & Date' \
 	--ok-label 'Set Time' \
 	--cancel-label 'Skip' \
+	--defaultno \
 	--time-format '%H%M.%S' \
 	--timebox '' 2 40 \
 2>&1 1>&3) && date $TIME