"unhandled X event" should be warning, not error

panda/src/x11display/x11GraphicsWindow.cxx

@@ -417,7 +417,7 @@ process_events() {
       break;
 
     default:
-      x11display_cat.error()
+      x11display_cat.warning()
         << "unhandled X event type " << event.type << "\n";
     }
   }
@@ -691,7 +691,7 @@ mouse_mode_relative() {
     }
 
     x11display_cat.info() << "Enabling relative mouse using XF86DGA extension\n";
-    XF86DGADirectVideo(_display, _screen, XF86DGADirectMouse);
+    XF86DGADirectVideo(_display, _screen, XF86DGADirectMouse);
 
     _dga_mouse_enabled = true;
   } else {