Code cleanup, no functional changes

app/Classes/FTN/Packet.php

@@ -253,7 +253,7 @@ class Packet extends FTNBase implements \Iterator, \Countable
 			}
 
 			// Take 2 chars from the buffer and check if we have our end packet signature
-			if ($last && ($buf_ptr == 0)) {
+			if ($last && ($buf_ptr === 0)) {
 				$last .= substr($readbuf,0,2);
 
 				if (($end=strpos($last,"\x00".self::PACKED_MSG_LEAD,$buf_ptr)) !== FALSE) {