Move VCA_Shutdown() call to the main code

bin/varnishd/cache/cache_cli.c

@@ -105,7 +105,6 @@ CLI_Run(void)
 		i = VCLS_Poll(cls, -1);
 	} while(i > 0);
 	VSL(SLT_CLI, 0, "EOF on CLI connection, worker stops");
-	VCA_Shutdown();
 }
 
 /*--------------------------------------------------------------------*/

bin/varnishd/cache/cache_main.c

@@ -269,6 +269,7 @@ child_main(void)
 
 	CLI_Run();
 
+	VCA_Shutdown();
 	BAN_Shutdown();
 	STV_close();