Type of the variables fixed.

sql/sql_expression_cache.cc:
  Type of the variable fixed.
sql/sql_expression_cache.h:
  Type of the variable fixed.

sql/sql_expression_cache.cc

@@ -6,7 +6,7 @@
   Expression cache is used only for caching subqueries now, so its statistic
   variables we call subquery_cache*.
 */
-ulonglong subquery_cache_miss, subquery_cache_hit;
+ulong subquery_cache_miss, subquery_cache_hit;
 
 Expression_cache_tmptable::Expression_cache_tmptable(THD *thd,
                                                  List<Item*> &dependants,

sql/sql_expression_cache.h

@@ -12,7 +12,7 @@
   constructed. That's why they are not visible in this interface.
 */
 
-extern ulonglong subquery_cache_miss, subquery_cache_hit;
+extern ulong subquery_cache_miss, subquery_cache_hit;
 
 class Expression_cache :public Sql_alloc
 {