Update 20-folders.sh

teamspeak/rootfs/etc/cont-init.d/20-folders.sh

@@ -4,7 +4,7 @@
 LOCATION=$(bashio::config 'data_location')
 
 # Data remanence for /teamspeak/save
-if -d /teamspeak/save; then
+if [ -d /teamspeak/save ]; then
   cp -n /teamspeak/save "$LOCATION"
   rm -r /teamspeak/save
 fi
@@ -12,7 +12,7 @@ mkdir -p "$LOCATION"
 ln -sf "$LOCATION" /teamspeak/save
 
 # Data remanence for /data
-if -d /data; then
+if [ -d /data ]; then
   cp -n /data "$LOCATION"
   rm -r /data
 fi