[FS#1270] flock dependency needed for sysntpd

[LEDE Bugs]

The following task is now closed:

FS#1270 - flock dependency needed for sysntpd
User who did this - Mathias Kresin (mkresin)

Reason for closing: Duplicate
Additional comments about closing: It isn't specific to sysntpd. The error is procd related. Beside of that, it is a duplicate of FS#1268.

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=1270