lib-http: library default pool allocation increases

Many pools will need to grow even when the smallest amount of work is
done within them, which can spam the logs.

Signed-off-by: Phil Carmody <phil@dovecot.fi>

src/lib-http/http-request-parser.c

@@ -52,7 +52,7 @@ http_request_parser_init(struct istream *input,
 	uoff_t max_payload_size;
 	enum http_message_parse_flags msg_flags = 0;
 
-	pool = pool_alloconly_create("http request parser", 512);
+	pool = pool_alloconly_create("http request parser", 1024);
 	parser = p_new(pool, struct http_request_parser, 1);
 	parser->pool = pool;