Help: Fix wrong property name INTERFACE_PROPERTY_LINK_DIRECT
This is the name of a placeholder used for some documentation in
Help/prop_tgt/INTERFACE_LINK_LIBRARIES_DIRECT.txt
that is included in
multiple documents. During development iterations, much of the content
was moved to just Help/prop_tgt/INTERFACE_LINK_LIBRARIES_DIRECT.rst
,
but the placeholder was not correctly replaced by its property name.
Backport: release
Edited by Brad King