Fix crash with empty DHCP string options.
diff --git a/CHANGELOG b/CHANGELOG
index 78eef33..24a665f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -60,6 +60,9 @@
 	    AudioCodes Voice Gateways doing streaming writes to flash.
 	    Thanks to Damian Kaczkowski for spotting the problem.
 
+	    Fix crash with empty DHCP string options when adding zero
+	    terminator. Thanks to Patrick McClean for the bug report.
+
 
 version 2.66
             Add the ability to act as an authoritative DNS