attributes: define the ALIGN() macro for MSVC

3 jobs from msvc-align in 1 minute and 6 seconds (queued for 59 seconds)
Status Job ID Name Coverage
  Build
passed #1027
debian amd64
build-debian

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passed #1028
win32
build-win32

00:00:21

passed #1029
win64
build-win64

00:00:23