[geary: 2/2] Merge branch 'wip/engine-header-missing-build-failure' into 'master'

[Michael Gratton <mjog src gnome org>]

commit 053868e11d930a8f055e1139029411bc8a436988
Merge: 1d15de11 1dd36d84
Author: Michael Gratton <mike vee net>
Date:   Thu Nov 29 10:13:03 2018 +0000

    Merge branch 'wip/engine-header-missing-build-failure' into 'master'
    
    Fix occasional "geary-engine.h: No such file or directory" build errors
    
    See merge request GNOME/geary!68

 src/engine/meson.build | 61 ++++++++++++++++++++++----------------------------
 1 file changed, 27 insertions(+), 34 deletions(-)
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