Fix Squirrel detection in FAQ
Fix Squirrel detection in FAQ

Change single quotes to double quotes. Change variable name to reflect what is being checked.
BloomBooks/Squirrel.Windows,Squirrel/Squirrel.Windows,Squirrel/Squirrel.Windows,punker76/Squirrel.Windows,BloomBooks/Squirrel.Windows,punker76/Squirrel.Windows,BloomBooks/Squirrel.Windows,punker76/Squirrel.Windows,Squirrel/Squirrel.Windows