!1506 修复wlm user info哈希表顺序扫描泄漏的问题

Merge pull request !1506 from april01xxx/hash_seq_search_leak

src/gausskernel/cbb/workload/statctl.cpp

@@ -2350,6 +2350,7 @@ void WLMReadjustUserSpaceByNameWithResetFlag(const char* username, bool resetFla
                 if (userdata->userid == uid) {
                     /* readjust user space */
                     WLMReAdjustUserSpaceWithResetFlag(userdata, resetFlag);
+                    hash_seq_term(&hash_seq);
                     break;
                 }
             }