Don't use "Cc" and "Ci" when they're not defined.
Don't use "Cc" and "Ci" when they're not defined.

Fixes #1374

Martii/greasemonkey,the8472/greasemonkey,Martii/greasemonkey,HasClass0/greasemonkey,Ventero/greasemonkey,HasClass0/greasemonkey,the8472/greasemonkey,Ventero/greasemonkey