mksquashfs: disable info printing once once file processing has stopped

Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
diff --git a/squashfs-tools/mksquashfs.c b/squashfs-tools/mksquashfs.c
index 10d2e97..4e6066f 100644
--- a/squashfs-tools/mksquashfs.c
+++ b/squashfs-tools/mksquashfs.c
@@ -5858,6 +5858,7 @@
 	sBlk.mkfs_time = time(NULL);
 
 	disable_progress_bar();
+	disable_info();
 
 	while((fragment = get_frag_action(fragment)))
 		write_fragment(*fragment);