attach_options: use size_t for lxc_groups_t

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/attach_options.h b/src/lxc/attach_options.h
index c24fb91204373af1d2446aa1ef26bca150c2c86d..d018970c3d1c1df6669d8feb6c1bd6d6a0c2392e 100644 (file)
--- a/src/lxc/attach_options.h
+++ b/src/lxc/attach_options.h
@@ -54,7 +54,7 @@ enum {
 typedef int (*lxc_attach_exec_t)(void* payload);
 
 typedef struct lxc_groups_t {
-       int size;
+       size_t size;
        gid_t *list;
 } lxc_groups_t;