* win32/win32.c (rb_w32_sysinit): use WCHAR version of GetCommandLine()
internally.
* win32/win32.c (w32_cmdvector): renamed from rb_w32_cmdvector. use
WCHAR* instead of char* internally.
these changes are expected to not changing the behavior yet.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45592 b2dd03c8-39d4-4d8f-98ff-823fe69b080e