Fix comments and code snippets that were making incorrect claims about
the alignment requirement of the guest state, shadow areas, and register
spill area sizes.
The size of these areas ought to be a multiple of 16 bytes.


git-svn-id: svn://svn.valgrind.org/vex/trunk@2818 8f6e269a-dfd6-0310-a8e1-e2731360e62c
diff --git a/pub/libvex_guest_s390x.h b/pub/libvex_guest_s390x.h
index d540c3c..c074e92 100644
--- a/pub/libvex_guest_s390x.h
+++ b/pub/libvex_guest_s390x.h
@@ -148,11 +148,11 @@
    /*  424 */  ULong host_EvC_FAILADDR;
 
 /*------------------------------------------------------------*/
-/*--- Force alignment to 32 bytes                          ---*/
+/*--- Force alignment to 16 bytes                          ---*/
 /*------------------------------------------------------------*/
-   /*  432 */  UChar padding[16];
+   /*  432 */  UChar padding[0];
 
-   /*  448 */  /* This is the size of the guest state */
+   /*  432 */  /* This is the size of the guest state */
 } VexGuestS390XState;