Fix compilation error in mIRC6.pm.

modules/Pisg/Parser/Format/mIRC6.pm

@@ -86,7 +86,7 @@ sub thirdline
                 ($hash{saying} =~ /^Disconnected/) ||  
                 ($hash{saying} =~ /^\S+ has quit IRC \(.+\)/) ||  
                 ($hash{saying} =~ /^\S+ has left \#\S+/) ||  
-                ($hash{saying} eq 'You're not channel operator') ||
+                ($hash{saying} eq "You're not channel operator") ||
                 ($hash{nick} eq 'Attempting' && $hash{saying} =~ /^to rejoin channel/) ||  
                 ($hash{nick} eq 'Rejoined' && $hash{saying} =~ /^channel/) ||  
                 ($hash{saying} =~ /^Retrieving #\S+ info\.\.\./)