Fix for 8263640 broke Windows build

[2021-06-29T18:08:04,949Z] * For target hotspot_variant-server_libjvm_objs_arguments.obj:
[2021-06-29T18:08:04,983Z] arguments.cpp
[2021-06-29T18:08:04,983Z] t:\workspace\open\src\hotspot\share\runtime\arguments.cpp(1119): error C2220: the following warning is treated as an error
[2021-06-29T18:08:04,983Z] t:\workspace\open\src\hotspot\share\runtime\arguments.cpp(1119): warning C4267: 'argument': conversion from 'size_t' to 'int', possible loss of data
[2021-06-29T18:08:05,017Z] ... (rest of output omitted)