fixed compile errors from gcc

diff --git a/samples/cpp/letter_recog.cpp b/samples/cpp/letter_recog.cpp
index 3534401..fd75712 100644 (file)
--- a/samples/cpp/letter_recog.cpp
+++ b/samples/cpp/letter_recog.cpp
@@ -1,6 +1,7 @@
 #include "opencv2/core/core_c.h"
 #include "opencv2/ml/ml.hpp"
 
+#include <cstdio>
 /*
 The sample demonstrates how to train Random Trees classifier
 (or Boosting classifier, or MLP - see main()) using the provided dataset.

diff --git a/samples/cpp/watershed.cpp b/samples/cpp/watershed.cpp
index 0eaab6e..088c3f4 100644 (file)
--- a/samples/cpp/watershed.cpp
+++ b/samples/cpp/watershed.cpp
@@ -1,6 +1,7 @@
 #include "opencv2/imgproc/imgproc.hpp"
 #include "opencv2/highgui/highgui.hpp"
 
+#include <cstdio>
 #include <iostream>
 
 using namespace cv;