Post-merge fixes. Call sp_cache_clear in THD::cleanup.

sql/sql_class.cc

@@ -383,8 +383,10 @@ void THD::cleanup(void)
   my_free((char*) variables.time_format, MYF(MY_ALLOW_ZERO_PTR));
   my_free((char*) variables.date_format, MYF(MY_ALLOW_ZERO_PTR));
   my_free((char*) variables.datetime_format, MYF(MY_ALLOW_ZERO_PTR));
+  
   sp_cache_clear(&sp_proc_cache);
-  sp_cache_clear(&sp_func_cache); /*psergey: move to ~THD? */
+  sp_cache_clear(&sp_func_cache);
+
   if (global_read_lock)
     unlock_global_read_lock(this);
   if (ull)
@@ -424,9 +426,6 @@ THD::~THD()
 
   ha_close_connection(this);
 
-  sp_cache_clear(&sp_proc_cache);
-  sp_cache_clear(&sp_func_cache);
-
   DBUG_PRINT("info", ("freeing host"));
   if (host != my_localhost)			// If not pointer to constant
     safeFree(host);