Remove bashism from start script

Steps to reproduce

Opencast's start script includes some bashism making it fail on certain
default shells like Debian's dash. This patch replaces the problematic
test with one which should work in all Posix compliant shells.

Assignee

Lars Kiesow

Reporter

Lars Kiesow

Severity

Usability Issue

Tags (folksonomy)

None

Components

Fix versions

Affects versions

Priority

Major
Configure