criu: Use __NR_memfd_create for testing memfd presence

We define own SYS_memfd_create in case if it's missing
in libc, but we need it for user-namespace restore.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/kerndat.c

@@ -21,6 +21,7 @@
 #include "lsm.h"
 #include "proc_parse.h"
 #include "config.h"
+#include "syscall-codes.h"
 
 struct kerndat_s kdat = {
 	/*

criu/shmem.c

@@ -13,6 +13,7 @@
 #include "rst-malloc.h"
 #include "vma.h"
 #include "config.h"
+#include "syscall-codes.h"
 
 #include "protobuf.h"
 #include "images/pagemap.pb-c.h"

scripts/feature-tests.mak

@@ -100,10 +100,10 @@ define FEATURE_TEST_MEMFD
 
 int main(void)
 {
-#ifdef SYS_memfd_create
+#ifdef __NR_memfd_create
 	return 0;
 #else
-#error No memfd support
+# error No memfd support
 #endif
 }