fixed build without CUDA

modules/gpu/src/cascadeclassifier.cpp

@@ -69,7 +69,8 @@ bool cv::gpu::CascadeClassifier_GPU_LBP::load(const string&)
 Size cv::gpu::CascadeClassifier_GPU_LBP::getClassifierSize() const                   { throw_nogpu(); return Size(); }
 void cv::gpu::CascadeClassifier_GPU_LBP::preallocateIntegralBuffer(cv::Size /*desired*/) { throw_nogpu();}
 
-int cv::gpu::CascadeClassifier_GPU_LBP::detectMultiScale(const cv::gpu::GpuMat&, cv::gpu::GpuMat&, cv::gpu::GpuMat&, double, int)  { throw_nogpu(); return 0; }
+int cv::gpu::CascadeClassifier_GPU_LBP::detectMultiScale(const cv::gpu::GpuMat& /*image*/, cv::gpu::GpuMat& /*scaledImageBuffer*/, cv::gpu::GpuMat& /*objectsBuf*/,
+double /*scaleFactor*/, int /*minNeighbors*/, cv::Size /*maxObjectSize*/){ throw_nogpu(); return 0;}
 
 #else