Irc: run initVars() on connect too

2b16f25b61 is wrong; it caused reconnects to fail with disconnect loops.

(cherry picked from commit 45c2abdae7)

classes.py

@@ -165,6 +165,7 @@ class Irc():
         __init__ in a separate thread to allow multiple concurrent connections.
         """
         while True:
+            self.initVars()
             ip = self.serverdata["ip"]
             port = self.serverdata["port"]
             checks_ok = True