correct largefile support, add comments about it.
diff --git a/networking/httpd.c b/networking/httpd.c
index f3fe49c..bbb2dfe 100644
--- a/networking/httpd.c
+++ b/networking/httpd.c
@@ -919,8 +919,8 @@
 
 	if (config->ContentLength != -1) {    /* file */
 		strftime(timeStr, sizeof(timeStr), RFC1123FMT, gmtime(&config->last_mod));
-		len += sprintf(buf+len, "Last-Modified: %s\r\n%s "FILEOFF_FMT"\r\n",
-				timeStr, Content_length, (FILEOFF_TYPE) config->ContentLength);
+		len += sprintf(buf+len, "Last-Modified: %s\r\n%s "OFF_FMT"\r\n",
+				timeStr, Content_length, (off_t) config->ContentLength);
 	}
 	strcat(buf, "\r\n");
 	len += 2;