message: Add --cpp-static-reflection to generate_code.bat.
diff: @@ -74,7 +74,7 @@ if NOT "%MONSTER_EXTRA%"=="skip" (
  @echo monster_extra.fbs skipped (the strtod function from MSVC2013 or older doesn't support NaN/Inf arguments)
  )
  -set TEST_CPP17_FLAGS=--cpp --cpp-std c++17 -o ./cpp17/generated_cpp17 %TEST_NOINCL_FLAGS%
  +set TEST_CPP17_FLAGS=--cpp --cpp-std c++17 --cpp-static-reflection -o ./cpp17/generated_cpp17 %TEST_NOINCL_FLAGS%
  if NOT "%MONSTER_EXTRA%"=="skip" (
  @rem Flag c++17 requires Clang6, GCC7, MSVC2017 (_MSC_VER >= 1914) or higher.
  ..\%buildtype%\flatc.exe %TEST_CPP17_FLAGS% -I include_test monster_test.fbs || goto FAIL
  