compile fix gcc-6
https://bugs.gentoo.org/show_bug.cgi?id=594274
provided by P.Levine
Signed-of-by: Joerg Bornkessel <hd_brummy@gentoo.org> (2016/Oct/16)
--- vcd-0.9/functions.h.old	2016-09-23 23:59:29.151668778 -0400
+++ vcd-0.9/functions.h	2016-09-23 23:59:33.842225407 -0400
@@ -167,7 +167,7 @@
      __u16  playing_time;
      __u8   play_item_wait_time;
      __u8   auto_pause_wait_time;
-     __u16  play_item[];
+     __u16  play_item[1];
   } play;
   struct {
      __u8   header;
@@ -183,7 +183,7 @@
      __u8   timeout_wait_time;
      __u8   loop_count;
      __u16  play_item;
-     __u16  selection_offset[];
+     __u16  selection_offset[1];
   } selection;
 };