Follow-up to bug 954084 - purple proxies should not be in the way of JavaScript protocols: override protocols should have the same proxy behavior as their base.

purple/purplexpcom/src/jsProtoHelper.jsm

@@ -774,7 +774,8 @@ const ForwardProtocolPrototype = {
   get passwordOptional() this.base.passwordOptional,
   get usePointSize() this.base.usePointSize,
   get registerNoScreenName() this.base.registerNoScreenName,
-  get slashCommandsNative() this.base.slashCommandsNative
+  get slashCommandsNative() this.base.slashCommandsNative,
+  get usePurpleProxy() this.base.usePurpleProxy
 };
 
 function doXHRequest(aUrl, aHeaders, aPOSTData, aOnLoad, aOnError, aThis) {