message: ocl: fix kernels launching with USE_HOST_PTR UMat
  created from RAW memory buffers (without proper lifetime management)
diff: @@ -2777,6 +2777,7 @@ struct Kernel::Impl
  for( int i = 0; i < MAX_ARRS; i++ )
  u[i] = 0;
  haveTempDstUMats = false;
  + haveTempSrcUMats = false;
  }
  void cleanupUMats()
  @@ -2793,6 +2794,7 @@ struct Kernel::Impl
  }
  nu = 0;
  haveTempDstUMats = false;
  + haveTempSrcUMats = false;
  }
  void addUMat(const UMat& m, bool dst)
  @@ -2803,6 +2805,8 @@ struct Kernel::Impl
  nu++;
  if(dst && m.u->tempUMat())
  haveTempDstUMats = true;
  + if(m.u->originalUMatData == NULL && m.u->tempUMat())
  + haveTempSrcUMats = true; // UMat is created on RAW memory (without proper lifetime management, even from Mat)
  }
  void addImage(const Image2D& image)
  @@ -2840,6 +2844,7 @@ struct Kernel::Impl
  int nu;
  std::list<Image2D> images;
  bool haveTempDstUMats;
  + bool haveTempSrcUMats;
  };
  }} // namespace cv::ocl
  @@ -3113,6 +3118,8 @@ bool Kernel::Impl::run(int dims, size_t globalsize[], size_t localsize[],
  cl_command_queue qq = getQueue(q);
  if (haveTempDstUMats)
  sync = true;
  + if (haveTempSrcUMats)
  + sync = true;
  if (timeNS)
  sync = true;
  cl_event asyncEvent = 0;
  