textline_r2.cc | 1 +
1 file changed, 1 insertion(+)
--- ocrad-0.17.orig/textline_r2.cc
+++ ocrad-0.17/textline_r2.cc
@@ -17,6 +17,7 @@
#include <cctype>
#include <cstdio>
+#include <cstdlib>
#include <vector>
#include "common.h"