user32: Store the prev_unicode hook flag on the client side.
diff --git a/server/protocol.def b/server/protocol.def
index 7934e48..583c757 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -2382,8 +2382,7 @@
     process_id_t   pid;            /* process id for low-level keyboard/mouse hooks */
     thread_id_t    tid;            /* thread id for low-level keyboard/mouse hooks */
     void*          proc;           /* next hook procedure */
-    int            prev_unicode;   /* was the previous a unicode hook? */
-    int            next_unicode;   /* is the next a unicode hook? */
+    int            unicode;        /* is it a unicode hook? */
     VARARG(module,unicode_str);    /* module name */
 @END