Set stricter warning rules for gcc

samples/cpp/cout_mat.cpp

@@ -11,23 +11,23 @@
 using namespace std;
 using namespace cv;
 
-void help()
+static void help()
 {
-	cout
-	<< "\n------------------------------------------------------------------\n"
-	<< " This program shows the serial out capabilities of cv::Mat\n"
-	<< "That is, cv::Mat M(...); cout << M;  Now works.\n"
-	<< "Output can be formated to OpenCV, python, numpy, csv and C styles"
-	<< "Usage:\n"
-	<< "./cvout_sample\n"
-	<< "------------------------------------------------------------------\n\n"
-	<< endl;
+    cout
+    << "\n------------------------------------------------------------------\n"
+    << " This program shows the serial out capabilities of cv::Mat\n"
+    << "That is, cv::Mat M(...); cout << M;  Now works.\n"
+    << "Output can be formated to OpenCV, python, numpy, csv and C styles"
+    << "Usage:\n"
+    << "./cvout_sample\n"
+    << "------------------------------------------------------------------\n\n"
+    << endl;
 }
 
 
 int main(int,char**)
 {
-	help();
+    help();
     Mat i = Mat::eye(4, 4, CV_64F);
     i.at<double>(1,1) = CV_PI;
     cout << "i = " << i << ";" << endl;
@@ -38,7 +38,7 @@ int main(int,char**)
     cout << "r (default) = " << r << ";" << endl << endl;
     cout << "r (python) = " << format(r,"python") << ";" << endl << endl;
     cout << "r (numpy) = " << format(r,"numpy") << ";" << endl << endl;
-    cout << "r (csv) = " << format(r,"csv") << ";" << endl << endl; 
+    cout << "r (csv) = " << format(r,"csv") << ";" << endl << endl;
     cout << "r (c) = " << format(r,"C") << ";" << endl << endl;
 
     Point2f p(5, 1);
@@ -51,9 +51,9 @@ int main(int,char**)
     v.push_back(1);
     v.push_back(2);
     v.push_back(3);
-    
+
     cout << "shortvec = " << Mat(v) << endl;
-        
+
     vector<Point2f> points(20);
     for (size_t i = 0; i < points.size(); ++i)
         points[i] = Point2f((float)(i * 5), (float)(i % 7));