bump Qt version to 5.12 as agreed at start of cycle

Authored by jriddell on May 16 2019, 9:13 AM.

Description

bump Qt version to 5.12 as agreed at start of cycle

Details

Committed
jriddellMay 16 2019, 9:13 AM
Parents
R103:fb171dff39c7: Fix sorting to use locale-aware comparisons
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