zip simply ignores missing files, so the dupes were harmless.
Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
zip $(ZIPFLAGS) -DXy ../$(notdir $@).tmp $(ZIP_INPUTS)
mv -f $@.tmp $@
-examples/test-bundle.zip: ZIP_INPUTS=$(EXAMPLE_BUNDLE_INPUT_DEPS) \
+examples/test-bundle.zip: ZIP_INPUTS=$(EXAMPLE_BUNDLE_INPUT_DEPS)
+examples/test-bundle.zip: \
$(addprefix examples/test-bundle/, $(EXAMPLE_BUNDLE_INPUT_DEPS))
examples/big-bundle.zip: examples/big-bundle/otter.toml