Update Chanban/chanban.tcl

Use `[llength $cbans] == 0` instead of `$cbans eq ""` because of lists vs strings

Chanban/chanban.tcl

@@ -57,7 +57,7 @@ namespace eval cmgmt {
 
     # Masks to ignore for auto adding bans
     variable noAddMasks {
-        "*!*@services.network.tld"
+        "*!*@services.ptirc.org"
     }
 
     # ----------
@@ -305,7 +305,7 @@ namespace eval cmgmt {
 
         set cbans [banlist $chan]
         set cbans [lsearch -all -inline -not -index 1 $cbans "EXTBAN"]
-        if {$cbans eq ""} {
+        if {[llength $cbans] == 0} {
             putserv "PRIVMSG $chan :ERROR! ${chan}'s ban list is empty."
             return 0
         }
@@ -615,7 +615,7 @@ namespace eval cmgmt {
 
         set cbans [banlist $chan]
         set cbans [lsearch -all -inline -not -index 1 $cbans "EXTBAN"]
-        if {$cbans eq ""} {
+        if {[llength $cbans] == 0} {
             putserv "PRIVMSG $nick :ERROR! ${chan}'s ban list is empty."
             return 0
         }