Sat Dec 27 16:16:49 2003 Ben Pfaff <blp@gnu.org>

[pspp-builds.git] / src / heap.h

diff --git a/src/heap.h b/src/heap.h
index 7644356b73155fa5c702b5a572c76fa72edc0dd6..f2dc8697c0ee676a0067053a8c93a5ca60654793 100644 (file)
--- a/src/heap.h
+++ b/src/heap.h
@@ -23,6 +23,8 @@
 /* This module implements a priority queue as a heap as described in
    Knuth 5.2.3.  This is a first-in-smallest-out priority queue. */
 
+#include <stddef.h>
+
 /* One element of a heap. */
 struct heap_elem
   {