[PATCH] support/test-container.c: Include <libc-pointer-arith.h>

[Florian Weimer]

2018-11-02  Florian Weimer  <fweimer@redhat.com>

	* support/test-container.c: Include <libc-pointer-arith.h> for
	ALIGN_UP.

diff --git a/support/test-container.c b/support/test-container.c
index fbdfb4a06a..b58f0f7b3d 100644
--- a/support/test-container.c
+++ b/support/test-container.c
@@ -37,6 +37,7 @@
 #include <utime.h>
 #include <errno.h>
 #include <error.h>
+#include <libc-pointer-arith.h>
 
 #ifdef __linux__
 #include <sys/mount.h>