--- Light.h.orig	Thu Oct 20 22:18:52 2005
+++ Light.h	Wed Dec  7 02:47:16 2005
@@ -805,7 +805,9 @@
 /*                                                                        */
 /**************************************************************************/
 
+#if 0
 extern char * program_invocation_name;
+#endif
 
 /* -----------   Error Messages ----------------------------------------  */
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