Fix decoding of move_pages syscall

* numa.c (print_page_array, print_status, print_int, print_int_array):
New functions.
(SYS_FUNC(move_pages)): Rewrite using these functions.
* tests/move_pages.c: New file.
* tests/move_pages.test: New test.
* tests/.gitignore: Add move_pages.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add move_pages.test.
diff --git a/tests/.gitignore b/tests/.gitignore
index 514374c..4faa3af 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -120,6 +120,7 @@
 mmap
 mmap64
 mmsg
+move_pages
 mq
 nanosleep
 net-accept-connect