Backport of "Fix -Werror=return-type error in configure." into 1.16
Backport of !454 (merged) "Fix -Werror=return-type error in configure.".
Commits:
- feb93b51 Fix -Werror=return-type error in configure.
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Backport of !454 (merged) "Fix -Werror=return-type error in configure.".
Commits: