printf.c test fails on non-invariant cultures

[zawodskoj]

There's a test output from printf.c test

Note that in Cesium version there's comma used as decimal separator

cl.exe (C:\Users\zawodskoj\RiderProjects\Cesium\Cesium.IntegrationTests/stdlib/printf.c):
testmyNum
5
4294967295
4294967295
-1
5.990000
2.040000
D
1


Cesium (C:\Users\zawodskoj\RiderProjects\Cesium\Cesium.IntegrationTests/stdlib/printf.c):
testmyNum
5
4294967295
4294967295
-1
5,990000
2,040000
D
1