Index: /trunk/src/VBox/Additions/linux/lightdm-greeter/vbox-greeter.cpp
===================================================================
--- /trunk/src/VBox/Additions/linux/lightdm-greeter/vbox-greeter.cpp	(revision 55904)
+++ /trunk/src/VBox/Additions/linux/lightdm-greeter/vbox-greeter.cpp	(revision 55905)
@@ -1036,5 +1036,7 @@
     uint32_t uLogonDlgBtnColor = 0; /* The greeter's button color. */
 
+#ifdef VBOX_GREETER_WITH_PNG_SUPPORT
     char szBannerPath[RTPATH_MAX];
+#endif
 
     /* By default most UI elements are shown. */