os: Add missing include

We'll need to explicitly include stddefs.h in order to
use size_t with Mingw.

Signed-off-by: Lucian Petrut <lpetrut@cloudbasesolutions.com>

diff --git a/src/os/filestore/os_xattr.h b/src/os/filestore/os_xattr.h
index 15b356196c900296cb48ead0ce762d02c99acf56..cf98394b2c55b97226fd16c752f06eb79bbc68b7 100644 (file)
--- a/src/os/filestore/os_xattr.h
+++ b/src/os/filestore/os_xattr.h
@@ -24,6 +24,8 @@ extern "C" {
 # define ENOATTR ENODATA
 #endif
 
+#include <stddef.h>
+
 int ceph_os_setxattr(const char *path, const char *name,
                   const void *value, size_t size);
 int ceph_os_fsetxattr(int fd, const char *name, const void *value,