Fix appveyor build
authorianfab <ianfab@users.noreply.github.com>
Sun, 8 Jul 2018 07:51:02 +0000 (09:51 +0200)
committerianfab <ianfab@users.noreply.github.com>
Sun, 8 Jul 2018 07:52:39 +0000 (09:52 +0200)
commit5c019919d3aef1cd160182a651a8a2b2bc0a2537
treeb27bbf75a4175b09a200bcf963cd8872fff80387
parente65b745841125255bba955dbf9a64d886b71b6a4
Fix appveyor build

Explicitly include <functional> for std::greater.
src/position.h
src/variant.h