Update storage-test.sh

storage-test.sh

@@ -106,7 +106,7 @@ ChosenPartition=""
 if [ "$1" = "" ]; then
   # User did not provide a partition/folder, change directory to rootfs
   df=0
-  for d in ($(df | grep ext4)); do
+  for d in ("$(df | grep ext4)"); do
 	  ((df++))
 	  echo "${df}) ${d}"
   done