report [#33731] Fastorigin addon crashes on mesh.update()
add a warning when python leaves the modified mesh without calling bmesh.update_edit_mesh()s.
this doesn't fix the crash but points to the likely cause.


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk/blender@54488 954f8c5b-7b00-dc11-b283-0030488c597c