Fix GCC 4.3 warnings about parameters of incomplete type.

[pspp-builds.git] / src / math / order-stats.h

diff --git a/src/math/order-stats.h b/src/math/order-stats.h
index cea50ed80d14b34976beccc3055d656fdb8ce2f8..07da284aa26af9faa95df9872d00163092471686 100644 (file)
--- a/src/math/order-stats.h
+++ b/src/math/order-stats.h
@@ -18,6 +18,7 @@
 #define __ORDER_STATS_H__
 
 #include <stddef.h>
+#include <data/missing-values.h>
 #include <math/statistic.h>
 
 struct casereader;