Fix segfault on single-line help text

The help text itself is displayed in the ErrorPopUp as a label,
and allowing help clicks on a label would apparently trigger some
nfinite recursion of event handlers. Making labels in the ErrorDlg
not sensitive to help clicks solved this.

diff --git a/gtk/xoptions.c b/gtk/xoptions.c
index e1ea664..e796d7f 100644 (file)
--- a/gtk/xoptions.c
+++ b/gtk/xoptions.c
@@ -1486,7 +1486,7 @@ if(appData.debugMode) printf("n=%d, h=%d, w=%d\n",n,height,width);
                label = frame;
            }
             gtk_widget_set_size_request(label, option[i].max ? option[i].max : -1, -1);
-           if(option[i].target || !strchr(option[i].name, '\n')) { // allow user to specify event handler for button presses
+           if(option[i].target || dlgNr != ErrorDlg &&!strchr(option[i].name, '\n')) { // allow user to specify event handler for button presses
                button = gtk_event_box_new();
                 gtk_container_add(GTK_CONTAINER(button), label);
                label = button;