random-seed: add missing header for GRND_NONBLOCK (systemd#14988)

RomainNaour · web-flow · commit 123aeae20672 · 2020-03-02T14:48:21.000+09:00
GRND_NONBLOCK has been introduced with the 3.17 kernel version [1] while adding getrandom(2) system call. The header missing_random.h is needed for random-seed.c when building with old toolchain, such Sourcery CodeBench ARM 2014.05 (kernel headers 3.13). Fixes: https://gitlab.com/buildroot.org/buildroot/-/jobs/454255917 [1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=c6e9d6f38894798696f23c8084ca7edbf16ee895
diff --git a/src/random-seed/random-seed.c b/src/random-seed/random-seed.c
@@ -19,6 +19,7 @@
 #include "io-util.h"
 #include "log.h"
 #include "main-func.h"
+#include "missing_random.h"
 #include "missing_syscall.h"
 #include "mkdir.h"
 #include "parse-util.h"
