--- modes/petri.c.orig 2009-08-20 08:05:37.000000000 +0200
+++ modes/petri.c 2009-08-20 08:05:46.000000000 +0200
@@ -217,7 +217,7 @@
cell *arr;
cell *head;
cell *tail;
- int count;
+ unsigned int count;
Bool originalcolors;
GC *coloredGCs;
int blastcount;