Fix deficiency in hole_fix setup for Houdini 18.5 version.
Includes a version for both Houdini 19.0 and Houdini 18.5, however Houdini 19.0+ is preferred.
Download linewriter.zip below and install as a Houdini Package, or simply copy and paste the HDAs located in houdiniX.Y/hda.
See README.md for more info.