message: build(IO): Add rapidjson include dirs for WASMImageIO build
diff: @@ -6,6 +6,8 @@ set(Iconv_DIR ${CMAKE_BINARY_DIR}/libiconv)
  set(Iconv_INCLUDE_DIRS ${Iconv_DIR}/include)
  file(MAKE_DIRECTORY ${Iconv_DIR} ${Iconv_INCLUDE_DIRS})
  +include_directories(${WebAssemblyInterface_INCLUDE_DIRS})
  +
  set(WebAssemblyInterface_SRCS
  itkWASMImageIOFactory.cxx
  itkWASMImageIO.cxx
  @@ -15,7 +17,6 @@ set(WebAssemblyInterface_SRCS
  itk_module_add_library(WebAssemblyInterface ${WebAssemblyInterface_SRCS})
  if(BUILD_ITK_JS_IO_MODULES)
  -include_directories(${WebAssemblyInterface_INCLUDE_DIRS})
  # -s WASM_ASYNC_COMPILATION=0
  # -flto
  