contrib/wix/defines.wxi

dispatch: making all hg abortions be output with a specific label

This allows abortions to be highlighted specially and separately
from warnings - for instance, red is a reasonable color for when hg
aborts, but is overly dramatic for most warnings produced elsewhere.

Differential Revision: https://phab.mercurial-scm.org/D3967

<Include>

  <?if $(var.Platform) = "x64" ?>
    <?define IsX64 = yes ?>
  <?else?>
    <?define IsX64 = no ?>
  <?endif?>

</Include>