Boolean pixel values are no longer supported in VTK 9.2.

diff --git a/addons/vtk/test_vtkimage.cc b/addons/vtk/test_vtkimage.cc
--- a/addons/vtk/test_vtkimage.cc
+++ b/addons/vtk/test_vtkimage.cc
@@ -206,7 +206,7 @@ BOOST_AUTO_TEST_CASE_TEMPLATE( test_mhd_write_read, T, type_mhd )
        unlink(zrawfilename.str().c_str());
 }
 
-#if  VTK_MAJOR_VERSION >= 7
+#if  VTK_MAJOR_VERSION >= 7 && VTK_MAJOR_VERSION < 9
 BOOST_AUTO_TEST_CASE( test_simple_write_read_bool )
 {
        C3DBounds size(2, 3, 4);
/></a></td>
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<tr><td><span title='2021-09-20 14:18:21 +0000'>2021-09-20</span></td><td><a href='/guix/commit/etc/guix-gc.service.in?id=5c4fd77097e2cecfd4780e099af7954f86779fe1'>etc: Add systemd files for running ‘guix gc’ periodically</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/guix-gc.service.in: New file.
* etc/guix-gc.timer: Likewise.
* .gitignore: Ignore generated ‘guix-gc.service’.
* nix/local.mk (nodist_systemdservice_DATA): Add ‘guix-gc.service’ and
‘guix-gc.timer’.
(EXTRA_DIST): Add ‘guix-gc.service.in’ and ‘guix-gc.timer’.
* doc/guix.texi (Binary Installation): Mention the new systemd files.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Thiago Jung Bauermann</td></tr>