Bug 1933084 - Move renameProperty helper into lib/irc.js for cZ. r=frg

suite/chatzilla/js/lib/irc.js

@@ -31,6 +31,17 @@ const JSIRCV3_SUPPORTED_CAPS = [
     "userhost-in-names",
 ];
 
+function renameProperty(obj, oldname, newname)
+{
+
+    if (oldname == newname)
+        return;
+
+    obj[newname] = obj[oldname];
+    delete obj[oldname];
+
+}
+
 function userIsMe (user)
 {
 

suite/chatzilla/js/lib/utils.js

@@ -478,17 +478,6 @@ function toOpenWindowByType(inType, url, features)
         window.open(url, "_blank", features);
 }
 
-function renameProperty (obj, oldname, newname)
-{
-
-    if (oldname == newname)
-        return;
-
-    obj[newname] = obj[oldname];
-    delete obj[oldname];
-
-}
-
 function getContentWindow(frame)
 {
     try