Unix can't sensibly enumerate printers (since they're defined as

being lpr commands), so the Unix config box now replaces the printer
combo box with an ordinary edit box.

[originally from svn r3063]

unix/uxcfg.c

@@ -42,6 +42,14 @@ void unix_setup_config_box(struct controlbox *b, int midsession)
      * when these elements would be useful to configure.
      */
 
+    /*
+     * On Unix, we don't have a drop-down list for the printer
+     * control.
+     */
+    s = ctrl_getset(b, "Terminal", "printing", "Remote-controlled printing");
+    assert(s->ncontrols == 1 && s->ctrls[0]->generic.type == CTRL_EDITBOX);
+    s->ctrls[0]->editbox.has_list = 0;
+
     /*
      * GTK makes it rather easier to put the scrollbar on the left
      * than Windows does!