ZTS: Fix replacement/resilver_restart_001 on FreeBSD

Increasing the data files from 16M to 32M fixes the
replacement/resilver_restart_001 test.

Signed-off-by: Tino Reichardt <[email protected]>
Closes: #16822

Author: mcmilk

tests/zfs-tests/tests/functional/replacement/resilver_restart_001.ksh

@@ -121,12 +121,12 @@ do
 	log_must zfs create -o primarycache=none -o recordsize=1k $TESTPOOL1/$fs
 done
 
-# simultaneously write 16M to each of them
+# simultaneously write 32M to each of them
 set -A DATAPATHS /$TESTPOOL1/fs{0..3}/dat.0
 log_note "Writing data files"
 for path in ${DATAPATHS[@]}
 do
-	dd if=/dev/urandom of=$path bs=1M count=16 > /dev/null 2>&1 &
+	dd if=/dev/urandom of=$path bs=1M count=32 > /dev/null 2>&1 &
 done
 wait