Index: trunk/src_plugins/io_pads/write.c
===================================================================
--- trunk/src_plugins/io_pads/write.c	(revision 35105)
+++ trunk/src_plugins/io_pads/write.c	(revision 35106)
@@ -495,7 +495,8 @@
 
 static int term_sort(const void *A, const void *B)
 {
-	const pcb_pstk_t **a = A, **b = B;
+	const pcb_pstk_t * const *a = A;
+	const pcb_pstk_t * const *b = B;
 	long an, bn;
 	char *end;
 	int res;