Rename rest() macro in my_list.h to list_rest(). (Bug #12327)

include/my_list.h:
  Rename rest() macro to list_rest().
mysys/list.c:
  rest() renamed to list_rest().
mysys/thr_lock.c:
  rest() renamed to list_rest().
sql/sql_test.cc:
  rest() renamed to list_rest().

include/my_list.h

@@ -36,7 +36,7 @@ extern void list_free(LIST *root,unsigned int free_data);
 extern unsigned int list_length(LIST *);
 extern int list_walk(LIST *,list_walk_action action,gptr argument);
 
-#define rest(a) ((a)->next)
+#define list_rest(a) ((a)->next)
 #define list_push(a,b) (a)=list_cons((b),(a))
 #define list_pop(A) {LIST *old=(A); (A)=list_delete(old,old) ; my_free((gptr) old,MYF(MY_FAE)); }
 

mysys/list.c

@@ -109,7 +109,7 @@ int list_walk(LIST *list, list_walk_action action, gptr argument)
   {
     if ((error = (*action)(list->data,argument)))
       return error;
-    list=rest(list);
+    list=list_rest(list);
   }
   return 0;
 }

mysys/thr_lock.c

@@ -1127,7 +1127,8 @@ void thr_print_locks(void)
 
   pthread_mutex_lock(&THR_LOCK_lock);
   puts("Current locks:");
-  for (list=thr_lock_thread_list ; list && count++ < MAX_THREADS ; list=rest(list))
+  for (list= thr_lock_thread_list; list && count++ < MAX_THREADS;
+       list= list_rest(list))
   {
     THR_LOCK *lock=(THR_LOCK*) list->data;
     VOID(pthread_mutex_lock(&lock->mutex));

sql/sql_test.cc

@@ -271,7 +271,7 @@ static void display_table_locks(void)
 
   VOID(my_init_dynamic_array(&saved_table_locks,sizeof(TABLE_LOCK_INFO),open_cache.records + 20,50));
   VOID(pthread_mutex_lock(&THR_LOCK_lock));
-  for (list=thr_lock_thread_list ; list ; list=rest(list))
+  for (list= thr_lock_thread_list; list; list= list_rest(list))
   {
     THR_LOCK *lock=(THR_LOCK*) list->data;