Fix MSVC compilation

10 jobs for development/maxtrees in 16 minutes and 16 seconds (queued for 3 minutes and 2 seconds)
Status Job ID Name Coverage
  Build
manual #78534
allowed to fail manual
build-docker-manual
 
  Test
passed #78537
distcheck-linux-gcc9-debug-asan-ubsan

00:11:40

manual #78538
allowed to fail manual
distcheck-linux-gcc9-debug-coverage
passed #78536
distcheck-linux-gcc9-release

00:08:27

passed #78539
documentation

00:02:58

passed #78535
windows manual
windows-debug

00:04:07

 
  Bench
manual #78541
pylene-benchmarks allowed to fail manual
distbench-linux-clang7-release
manual #78543
pylene-benchmarks allowed to fail manual
distbench-linux-clang8-release
manual #78540
pylene-benchmarks allowed to fail manual
distbench-linux-gcc8-release
manual #78542
pylene-benchmarks allowed to fail manual
distbench-linux-gcc9-release