fix for own mistake in recent changes to scanfill, bmo_triangle_fill_exec() (alt+f), was missing BLI_SCANFILL_CALC_HOLES argument.
reported as [#33819]


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@53705 954f8c5b-7b00-dc11-b283-0030488c597c