--- OLD/xc/programs/fslsfonts/fslsfonts.c	Thu Jan  1 00:00:00 1970
+++ NEW/xc/programs/fslsfonts/fslsfonts.c	Thu Jan  1 00:00:00 1970
@@ -42,6 +42,7 @@
 
 #include "FSlib.h"
 #include <stdio.h>
+#include <stdlib.h>
 #include <X11/Xos.h>
 
 #ifndef N_START