[t:4371], have ::optimize use the handler's status buffer

git-svn-id: file:///svn/mysql/tokudb-engine/tokudb-engine@38616 c7de825b-a66e-492c-adef-691d508d4ae1

storage/tokudb/ha_tokudb.cc

@@ -7709,6 +7709,7 @@ int ha_tokudb::optimize(THD * thd, HA_CHECK_OPT * check_opt) {
         struct hot_optimize_context hc;
         memset(&hc, 0, sizeof hc);
         hc.thd = thd;
+        hc.write_status_msg = this->write_status_msg;
         hc.ha = this;
         hc.current_table = i;
         hc.num_tables = curr_num_DBs;

storage/tokudb/ha_tokudb.h

@@ -24,7 +24,7 @@ typedef struct loader_context {
 
 typedef struct hot_optimize_context {
     THD *thd;
-    char write_status_msg[200];
+    char* write_status_msg;
     ha_tokudb *ha;
     uint current_table;
     uint num_tables;