Avoid compilation issues with ncurses on GCC 15 #4618

Job	Run time
build-ubuntu-latest-full-featured-gcc	58s
build-ubuntu-latest-full-featured-clang	58s
build-ubuntu-latest-minimal-gcc	41s
build-dragonflybsd-latest-gcc	2m 20s
build-ubuntu-latest-minimal-clang	1m 2s
build-freebsd-latest-clang	2m 1s
build-macos-latest-clang	40s
build-netbsd-latest-gcc	2m 32s
build-openbsd-latest-clang	2m 20s
build-ubuntu-latest-clang-analyzer	1m 12s
build-ubuntu-latest-clang-sanitizer	56s
build-ubuntu-latest-gcc-static	54s
build-ubuntu-latest-pcp	24s
build-solaris-latest-gcc	3m 8s
lint-pcp-config	4s
lint-whitespace	8s
	20m 18s

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