message: cmake: fixed builds in directories containing plus sign
diff: @@ -20,8 +20,12 @@ endforeach()
  set(opencv_hdrs "")
  set(opencv_userdef_hdrs "")
  foreach(m ${OPENCV_PYTHON_MODULES})
  - ocv_list_filter(OPENCV_MODULE_${m}_HEADERS "${OPENCV_MODULE_${m}_LOCATION}/include" __hdrs)
  - list(APPEND opencv_hdrs ${__hdrs})
  + foreach (hdr ${OPENCV_MODULE_${m}_HEADERS})
  + ocv_is_subdir(is_sub "${OPENCV_MODULE_${m}_LOCATION}/include" "${hdr}")
  + if(is_sub)
  + list(APPEND opencv_hdrs "${hdr}")
  + endif()
  + endforeach()
  file(GLOB userdef_hdrs ${OPENCV_MODULE_${m}_LOCATION}/misc/python/pyopencv*.hpp)
  list(APPEND opencv_userdef_hdrs ${userdef_hdrs})
  endforeach(m)
  