Fix build by adding missing header.

Authored by mpyne on Dec 1 2018, 10:19 PM.

Description

Fix build by adding missing header.

Backport of a similar fix to master in c576e46.

The code hasn't changed in awhile but now breaks for me. I suspect
recent Qt cleaned up their headers so that QTimer isn't accidentally
included anymore.

Details

Committed
mpyneDec 1 2018, 10:19 PM
Parents
R425:987d646bead0: Add LICENSE (GPL-2.0)
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