another cmake issue (with a non-standard build)

[Benjamin Reed]

I've been trying to enable app-bundles (globally, for now, until we
resolve the whole GUI/NONGUI thing), but I'm running into at least one
issue...  FIND_PROGRAM does not support bundles, ie, find_program(foo)
should find "/opt/kde4/bin/foo.app/Contents/MacOS/foo" but it
currently does not.

I looked for a place to add this to the
http://www.vtk.org/Wiki/CMake:Bundles_And_Frameworks page, but there
didn't really seem to be a relevant place.

For now I can symlink it just to get things going, but that's
obviously not a real solution.  :)

kdeinit has some code that we put in a while ago for finding binaries
in app-bundles, but cmake can't really do the same, it looks like