in_prometheus_remote_write: use new http server api to set max buffer size

Signed-off-by: Eduardo Silva <[email protected]>

Author: edsiper

plugins/in_prometheus_remote_write/prom_rw.c

@@ -126,6 +126,8 @@ static int prom_rw_init(struct flb_input_instance *ins,
             return -1;
         }
 
+        flb_http_server_set_buffer_max_size(&ctx->http_server, ctx->buffer_max_size);
+
         ctx->http_server.request_callback = prom_rw_prot_handle_ng;
 
         flb_input_downstream_set(ctx->http_server.downstream, ctx->ins);