fixed computation of sample covariance

[pspp] / src / ui / gui / menu-actions.c

diff --git a/src/ui/gui/menu-actions.c b/src/ui/gui/menu-actions.c
index c8f945c0bd660762be8dc249cf496046f6f72822..d1a76802840b8970b84f57b9fc1e596771853e9f 100644 (file)
--- a/src/ui/gui/menu-actions.c
+++ b/src/ui/gui/menu-actions.c
@@ -34,6 +34,8 @@
 #include <glade/glade.h>
 #include <gtk/gtk.h>
 
+#include <libpspp/str.h>
+
 #include <gtksheet/gtksheet.h>
 #include "helper.h"
 #include "menu-actions.h"