fixed few compile errors and doc build errors

samples/cpp/ufacedetect.cpp

@@ -203,7 +203,7 @@ void detectAndDraw( UMat& img, Mat& canvas, CascadeClassifier& cascade,
     resize( gray, smallImg, Size(), scale0, scale0, INTER_LINEAR );
     cvtColor(smallImg, canvas, COLOR_GRAY2BGR);
     equalizeHist( smallImg, smallImg );
-    
+
     cascade.detectMultiScale( smallImg, faces,
         1.1, 2, 0
         //|CASCADE_FIND_BIGGEST_OBJECT
@@ -233,7 +233,7 @@ void detectAndDraw( UMat& img, Mat& canvas, CascadeClassifier& cascade,
 
     putText(canvas, format("OpenCL: %s, fps: %.1f", ocl::useOpenCL() ? "ON" : "OFF", fps), Point(250, 50),
             FONT_HERSHEY_SIMPLEX, 1, Scalar(0,255,0), 3);
-    
+
     for( vector<Rect>::const_iterator r = faces.begin(); r != faces.end(); r++, i++ )
     {
         vector<Rect> nestedObjects;

samples/ocl/facedetect.cpp

@@ -46,12 +46,12 @@ static double getTime()
 
 static void detect( Mat& img, vector<Rect>& faces,
              ocl::OclCascadeClassifier& cascade,
-             double scale, bool calTime);
+             double scale);
 
 
 static void detectCPU( Mat& img, vector<Rect>& faces,
                 CascadeClassifier& cascade,
-                double scale, bool calTime);
+                double scale);
 
 static void Draw(Mat& img, vector<Rect>& faces, double scale);
 
@@ -190,7 +190,7 @@ int main( int argc, const char** argv )
 
 void detect( Mat& img, vector<Rect>& faces,
              ocl::OclCascadeClassifier& cascade,
-             double scale, bool calTime)
+             double scale)
 {
     ocl::oclMat image(img);
     ocl::oclMat gray, smallImg( cvRound (img.rows/scale), cvRound(img.cols/scale), CV_8UC1 );
@@ -208,7 +208,7 @@ void detect( Mat& img, vector<Rect>& faces,
 
 void detectCPU( Mat& img, vector<Rect>& faces,
                 CascadeClassifier& cascade,
-                double scale, bool calTime)
+                double scale)
 {
     workBegin();
     Mat cpu_gray, cpu_smallImg( cvRound (img.rows/scale), cvRound(img.cols/scale), CV_8UC1 );