You were posting while I was.. That also doesn't make sense. There should be a couple header files in that directory along with quite a few folders. No libs. Thats an include directory, not a library directory. Did this package come from Pat or somewhere else? either way, it sounds kinda messy. Go to /var/log/scripts and look in your gtkhtml file. Mine is called:
This is my own LFS/Slackware hybrid so I don't know if it's named gtkhtml or libgtkhtml... I named my package gtkhtml.... All the symlinks that this package is supposed to have will be listed in that file. If I were you, I'd do this....
Obviously, you'll want to replace "gtkhtml-3.6.2-i686-1" with the name of the actuall file.