remove extraneous doubled ;s
diff --git a/programs/dibio.c b/programs/dibio.c
index 12eb326..ea4bb4b 100644
--- a/programs/dibio.c
+++ b/programs/dibio.c
@@ -201,7 +201,7 @@
     unsigned const prime1 = 2654435761U;
     unsigned const prime2 = 2246822519U;
     unsigned acc = prime1;
-    size_t p=0;;
+    size_t p=0;
 
     for (p=0; p<length; p++) {
         acc *= prime2;