Clarify source of identical kdWarning messages.

(cherry picked from commit c9e6442846)

kio/kio/slavebase.cpp

@@ -863,7 +863,7 @@ bool SlaveBase::openPassDlg( AuthInfo& info, const TQString &errorMsg )
 
     if (!callOK)
     {
-       kdWarning(7019) << "Can't communicate with kded_kpasswdserver!" << endl;
+       kdWarning(7019) << "Can't communicate with kded_kpasswdserver (openPassDlg)!" << endl;
        return false;
     }
 
@@ -1197,7 +1197,7 @@ bool SlaveBase::checkCachedAuthentication( AuthInfo& info )
     if ( !d->dcopClient->call( "kded", "kpasswdserver", "checkAuthInfo(KIO::AuthInfo, long int, unsigned long int)",
                                params, replyType, reply ) )
     {
-       kdWarning(7019) << "Can't communicate with kded_kpasswdserver!" << endl;
+       kdWarning(7019) << "Can't communicate with kded_kpasswdserver (checkCachedAuthentication)!" << endl;
        return false;
     }