ci/vkd3d: fix error message printing

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29749>

.gitlab-ci/vkd3d-proton/run.sh

@@ -59,7 +59,7 @@ if ! /vkd3d-proton-tests/x64/bin/d3d12 > "$RESULTS/vkd3d-proton.log";
 then
     # Check if the executable finished (ie. no segfault).
     if ! grep "tests executed" "$RESULTS/vkd3d-proton.log" > /dev/null; then
-        error printf "%s\n" "Failed, see vkd3d-proton.log!"
+        error "Failed, see vkd3d-proton.log!"
         exit 1
     fi
 
@@ -79,7 +79,7 @@ then
 
     # Make sure that the failures found in this run match the current expectation
     if ! diff --color=always -u ".gitlab-ci/vkd3d-proton/$VKD3D_PROTON_RESULTS.txt.baseline" "$RESULTSFILE"; then
-        error printf "%s\n" "Changes found, see vkd3d-proton.log!"
+        error "Changes found, see vkd3d-proton.log!"
         exit 1
     fi
 fi