Backport...

Backport https://disenchant.net/git/tyrquake.git/commit/?id=5a88972aea7a6320f3eef9174225e24293933568

common/zone.c

@@ -39,8 +39,8 @@ typedef struct memblock_s
     int size;		/* including the header and possibly tiny fragments */
     int tag;		/* a tag of 0 is a free block */
     int id;		/* should be ZONEID */
-    struct memblock_s *next, *prev;
     int pad;		/* pad to 64 bit boundary */
+    struct memblock_s *next, *prev;
 } memblock_t;
 
 typedef struct