update faq for chicken binary name change

Hi,

Here's a little late diff to add note to FAQ about the chicken's binary name
change.

Timo

Index: faq/current.html
===================================================================
RCS file: /cvs/www/faq/current.html,v
retrieving revision 1.969
diff -u -p -u -p -r1.969 current.html
--- faq/current.html 11 Dec 2018 21:10:12 -0000 1.969
+++ faq/current.html 12 Dec 2018 07:20:35 -0000
@@ -50,6 +50,9 @@ Upgrading to -current by compiling your
<p>
Most of these changes will have to be performed as root.

+<h3 id="r20181117">2018/11/17 - [packages] lang/chicken binary name change</h3>
+
+Chicken binary csi has been renamed to chicken-csi and csc renamed to chicken-csc to avoid coflicts with lang/mono.

<h3 id="r20181016">2018/10/16 - [packages] net/dnscrypt-proxy switch to different configuration</h3>