File qwtplot3d-gcc43.patch of Package qwtplot3d

diff -Nur qwtplot3d-orig/src/qwt3d_function.cpp qwtplot3d/src/qwt3d_function.cpp
--- qwtplot3d-orig/src/qwt3d_function.cpp	2010-02-07 13:47:48.807034954 +0100
+++ qwtplot3d/src/qwt3d_function.cpp	2010-02-07 13:52:58.035284843 +0100
@@ -1,5 +1,6 @@
 #include "qwt3d_surfaceplot.h"
 #include "qwt3d_function.h"
+#include <stdio.h>
 
 using namespace Qwt3D;