+invalidate bans when the user sets +h or -h so they are checked again
+
+diff -r 7223692af752 ircd/s_user.c
+--- a/ircd/s_user.c Thu Mar 18 12:14:01 2010 +0100
++++ b/ircd/s_user.c Thu Mar 18 12:35:00 2010 +0100
+@@ -1173,12 +1173,15 @@
+ }
+ }
+ #endif
+-
+ /*
+ * Go through all channels the client was on, rejoin him
+ * and set the modes, if any
+ */
+ for (chan = cli_user(cptr)->channel; chan; chan = chan->next_channel) {
++
++ /* Invalidate bans against the user so we check them again */
++ ClearBanValid(chan);
++
+ if (IsZombie(chan))
+ continue;
+ /* If this channel has delayed joins and the user has no modes, just set