--- server/dia/main.c.orig      2020-08-22 22:22:28 UTC
+++ server/dia/main.c
@@ -76,7 +76,7 @@ static char *AuServerName(void);
 extern char *display;

 static int restart = 0;
-FILE *yyin;                     /* for the config parser */
+extern FILE *yyin;                     /* for the config parser */

 void
 NotImplemented()