SmrAlliance: fix setIrcChannel
SmrAlliance: fix setIrcChannel

We need to call `getIrcChannel` before using the `ircChannel` class
attribute, since it is not set when the class is constructed.

smrealms/smr,hemberger/smr,smrealms/smr,hemberger/smr,hemberger/smr,hemberger/smr,smrealms/smr