fix Version.hh

9 jobs for cgg in 40 seconds
Status Job ID Name Coverage
  Test
canceled #83390
VS2015
VS2015-32-bit

canceled #83389
VS2015
VS2015-64-bit

canceled #83388
VS2017
VS2017-32-bit

00:00:38

canceled #83387
VS2015
VS2017-64-bit

00:00:38

canceled #83384
Linux
clang-c++11

00:00:34

canceled #83386
Linux
cppcheck

passed #83391
Linux
doc

00:00:05

canceled #83383
Linux
gcc-c++11

00:00:39

canceled #83385
Apple
macos-c++11

00:00:38