Fixed bug with storm slinky when the profile has no positive area.
Fixed bug with storm slinky when the profile has no positive area.

blizzardwarriorwx/SHARPpy,blizzardwarriorwx/SHARPpy,blizzardwarriorwx/SHARPpy,scollis/SHARPpy,scollis/SHARPpy,scollis/SHARPpy,blizzardwarriorwx/SHARPpy,djgagne/SHARPpy,scollis/SHARPpy,djgagne/SHARPpy,djgagne/SHARPpy,djgagne/SHARPpy