Index: obj_pstk_proto.c
===================================================================
--- obj_pstk_proto.c	(revision 32162)
+++ obj_pstk_proto.c	(revision 32163)
@@ -1152,7 +1152,7 @@
 			rnd_polyarea_free(&shp->data.poly.pa);
 			if (is_absolute) {
 				int n;
-				double maxs2 = 0, s;
+				double maxs2 = 0;
 				/* determine the max edge center distance from the shape center; this
 				   is effectivel the "radius" of the shape measured on sides, not on corners */
 				for(n = 0; n < shp->data.poly.len; n++) {