Update powerwall.sh

powerwall.sh

@@ -889,7 +889,7 @@ LOGROTATE(){
 }
 
 GET_SNAPSHOTS(){
-	for ESXIHOST in "${PW_SYSHOSTS[@]}"; do
+	for ESXIHOST in "${PW_HOSTS[@]}"; do
 		echo -e "${ESXIHOST}"
 		${PW_FOLDER}/esxi-scripts/get-snapshots.ps1 ${ESXIHOST}
 	done