diff -up openexr_viewers-1.0.1/exrdisplay/applyCtl.cpp.gcc44 openexr_viewers-1.0.1/exrdisplay/applyCtl.cpp
--- openexr_viewers-1.0.1/exrdisplay/applyCtl.cpp.gcc44	2009-02-12 23:35:22.000000000 +0100
+++ openexr_viewers-1.0.1/exrdisplay/applyCtl.cpp	2009-02-12 23:35:27.000000000 +0100
@@ -48,6 +48,7 @@
     #include <ImfHeader.h>
     #include <ImfFrameBuffer.h>
     #include <cassert>
+    #include <cstdio>
     #include <iostream>
 
     using namespace std;
@@ -60,6 +61,7 @@
     #include <ImfStandardAttributes.h>
     #include <ImfHeader.h>
     #include <cassert>
+    #include <cstdio>
     #include <iostream>
 
     using namespace std;