DAOS-16783 client: move daos_hhash_fini ahead (#15452)

Move daos_hhash_fini ahead of dc_pool_fini()
and dc_obj_fini(), since daos_hhash_fini()
may cause obj_free and dc_pool_fini, otherwise
it will cause segfault during daos_fini().

Signed-off-by: Di Wang <ddiwang@google.com>

src/client/api/init.c

@@ -334,6 +334,8 @@ daos_fini(void)
 		D_GOTO(unlock, rc);
 	}
 
+	daos_hhash_fini();
+
 	/** clean up all registered per-module metrics */
 	daos_metrics_fini();
 #if BUILD_PIPELINE
@@ -354,7 +356,6 @@ daos_fini(void)
 	dc_job_fini();
 
 	pl_fini();
-	daos_hhash_fini();
 	daos_debug_fini();
 	module_initialized = 0;
 unlock: