emplace_back: use perfect forwarding if possible

When using that new-ish method, try giving the compiler a chance to
construct in-place. Left out harder cases using initializer lists,
and might have missed slightly less obvious places.

Change-Id: Ifcc3a6d4599474457e37dd17a35c41fc73e7a17e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111980
Reviewed-by: Thorsten Behrens <thorsten.behrens@allotropia.de>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Tested-by: Jenkins

0 files changed, 0 insertions, 0 deletions