X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Fcharts%2Fspreadlevel-plot.c;h=44e2c658a93464c025ccc4a8bb34fa483935f31c;hb=5805214e9bb9e2a4705ada8cdf5f5d0f1814db0e;hp=8fcc0bdeebfa8856accf15ae6e1e3e7974526084;hpb=39d61ddbc7ad08260bd7e0b28da218fb9a6360a4;p=pspp

diff --git a/src/output/charts/spreadlevel-plot.c b/src/output/charts/spreadlevel-plot.c
index 8fcc0bdeeb..44e2c658a9 100644
--- a/src/output/charts/spreadlevel-plot.c
+++ b/src/output/charts/spreadlevel-plot.c
@@ -26,6 +26,7 @@
 
 #include <math.h>
 #include <float.h>
+#include <stdlib.h>
 
 struct chart_item *
 spreadlevel_plot_create (const char *label, double tx_pwr)
@@ -43,11 +44,11 @@ spreadlevel_plot_create (const char *label, double tx_pwr)
 
   sl->n_data = 0;
   sl->data = NULL;
-  
+
   return &sl->chart_item;
 }
 
-void 
+void
 spreadlevel_plot_add (struct chart_item *ci, double spread, double level)
 {
   struct spreadlevel_plot_chart *sl = to_spreadlevel_plot_chart (ci);