diff -Naur anacron-2.3.orig/gregor.c anacron-2.3/gregor.c
--- anacron-2.3.orig/gregor.c	2000-06-22 19:50:40.000000000 -0300
+++ anacron-2.3/gregor.c	2006-10-19 16:18:29.000000000 -0200
@@ -65,7 +65,7 @@
 {
     int dn;
     int i;
-    const int isleap; /* save three calls to leap() */
+    int isleap; /* save three calls to leap() */
 
     /* Some validity checks */