Bug#907942: geary FTBFS with vala 0.42.0-1

[Adrian Bunk]

Source: geary
Version: 0.12.2-2
Severity: serious
Tags: ftbfs

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/geary.html

...
/build/1st/geary-0.12.2/src/engine/api/geary-account-information.vala:134.5-134.30: error: Property `Geary.AccountInformation.save_sent_mail' with custom `get' accessor and/or `set' mutator cannot have `default' value
    public bool save_sent_mail {
    ^^^^^^^^^^^^^^^^^^^^^^^^^^
Compilation failed: 1 error(s), 0 warning(s)
make[3]: *** [src/CMakeFiles/geary-engine.dir/build.make:1249: src/.geary-engine.stamp] Error 1