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