Update install

scripts/install

@@ -36,7 +36,7 @@ sudo sed -i "s/yunobase/$db_user/g" $final_path/wp-config.php
 for i in 1 2 3 4 5 6 7 8
 do
     j=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d '[A-Za-z0-9]' | sed -n 's/\(.\{40\}\).*/\1/p')
-    if [ $j = "" ];
+    if [ "$j" = "" ];
     then
         # For obscure reasons, the loop is too fast at execution
         sleep 1