fixed compiler warnings
diff --git a/progs/demos/ipers.c b/progs/demos/ipers.c
index 76da4c0..8993d3f 100644
--- a/progs/demos/ipers.c
+++ b/progs/demos/ipers.c
@@ -85,7 +85,7 @@
 static void
 initdlists(void)
 {
-   static slicetable[MAX_LOD][2] = {
+   static int slicetable[MAX_LOD][2] = {
       {21, 10},
       {18, 9},
       {15, 8},