--- src/libnr/nr-matrix.cpp.org Sun Feb 15 09:45:06 2004
+++ src/libnr/nr-matrix.cpp     Sun Feb 15 09:44:32 2004
@@ -9,6 +9,7 @@
  * This code is in public domain
  */
 
+#include <cstdio>
 #include "nr-matrix.h"
 
 NRMatrix *