Update 'install.sh'

install.sh

@@ -458,8 +458,7 @@ fi
 	
 SYSTEM_SETTINGS=$(grep -Pzow '\[boot\]\nsystemd\=true' /etc/wsl.conf);
 if [ "$SYSTEM_SETTINGS" == "" ]; then
-   		echo "[boot]
-systemd=true" | $SUDO_CMD tee /etc/wsl.conf;
+   		echo "[boot]\nsystemd=true" | $SUDO_CMD tee /etc/wsl.conf;
 		echo "Not corresponding wsl configuration found, modified and need a WSL system restart from Windows terminal";
 fi