Fixed building by Sun C on Solaris.
@@ -359,7 +359,8 @@ nxt_conf_vldt_system(nxt_conf_value_t *conf, nxt_conf_value_t *value,
nxt_conf_vldt_system_t vldt;
char string[32];
- vldt = data;
+ /* The cast is required by Sun C. */
+ vldt = (nxt_conf_vldt_system_t) data;
nxt_conf_get_string(value, &name);
