util/ulockmgr_server.c: conditionally define closefrom (fix glibc-2.34+)
closefrom(3) has joined us in glibc-land from *BSD and Solaris. Since
it's available in glibc 2.34+, we want to detect it and only define our
fallback if the libc doesn't provide it.
Bug: https://bugs.gentoo.org/803923
Change-Id: I764e3205508e1fbaa57b0f5ebaecc9b41cad874f
Origin: upstream, https://github.com/libfuse/libfuse/commit/
5a43d0f724c56f8836f3f92411e0de1b5f82db32
Signed-off-by: Sam James <sam@gentoo.org>
Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>