rename log_level_check() to log_check_level()

src/core/stellar_core.cpp

@@ -650,7 +650,7 @@ void stellar_reload_log_level(struct stellar *st)
 {
     if (st)
     {
-        log_level_reload(st->runtime.logger);
+        log_reload_level(st->runtime.logger);
     }
 }