Tony has reported, that CI tools job is failing for him in macOS
container due to prereq check failure for GNU `install` utility.
Michael diagnosed it and from his traces it was clear, that the issue is
caused by a wrong return value in the success check case, so lets fix it
accordingly.
Fixes: f75204036ccc ("prereq-build: allow host command symlinks to update")
Reported-by: Tony Ambardar <itugrok@yahoo.com>
Diagnosed-by: Michael Pratt <mcpratt@pm.me>
Signed-off-by: Petr Štetiar <ynezz@true.cz>
;; \
esac; \
ln -sf "$$$$$$$$bin" "$(STAGING_DIR_HOST)/bin/$(strip $(1))"; \
- exit 1; \
+ exit 0; \
fi; \
fi; \
done; \