/usr/lib/gworkspace/libFSNode.so is in gworkspace.app 0.9.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/gworkspace/../GNUstep/Frameworks/FSNode.framework/Versions/Current/libFSNode.so
/usr/lib/gworkspace/../GNUstep/Frameworks/FSNode.framework/Versions/Current/libFSNode.so