comms/qsstv uses the substitution %%QT_LIBDIR%% [=relative path
to Qt libraries] by mistake [that's devel/qca/pkg-plist.qt5].
The attached patch replaces this everywhere by "lib".

Well. This was rather bogus.
-%%PORTDOCS%%%%DOCSDIR%%/manual/ca%%QT_LIBDIR%%ration.png
+%%PORTDOCS%%%%DOCSDIR%%/manual/calibration.png

PR: ports/210112
Submitted by: tcberner@gmail.com