don't define _UNICODE

It's only needed when using TCHAR which we don't use.
21 jobs for no-tchar in 8 minutes and 17 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Style
passed #265399
amd64 debian
style-check

00:00:24

 
  Build
passed #265400
amd64 debian
build-debian

00:00:41

passed #265408
debian aarch64
build-debian-aarch64

00:01:32

passed #265409
debian aarch64
build-debian-aarch64-clang-5

00:01:09

passed #265412
debian armv7
build-debian-armv7

00:01:35

passed #265413
debian armv7
build-debian-armv7-clang-5

00:01:06

passed #265401
amd64 debian
build-debian-static

00:00:39

passed #265411
debian aarch64
build-debian-werror

00:00:34

passed #265402
amd64 debian
build-debian32

00:00:36

passed #265410
macos
build-macos

00:00:33

passed #265414
amd64 debian allowed to fail
build-ubuntu-snap

00:00:45

passed #265406
amd64 debian
build-win-arm32

00:00:27

passed #265407
amd64 debian
build-win-arm64

00:00:36

passed #265403
amd64 debian
build-win32

00:00:47

passed #265404
amd64 debian
build-win32-unaligned-stack

00:00:37

passed #265405
amd64 debian
build-win64

00:00:52

 
  Test
passed #265415
amd64 debian
test-debian

00:01:16

passed #265416
amd64 debian
test-debian-asan

00:02:33

passed #265417
amd64 debian
test-debian-msan

00:01:44

passed #265418
amd64 debian
test-debian-ubsan

00:01:25

passed #265419
amd64 debian
test-win64

00:00:47