* java/lang/natSystem.cc (init_properties): Call new function
	_Jv_platform_initProperties.
	* win32 (_Jv_platform_initProperties): New function that adds Win32
	support for the System properties os.name, os.arch, os.version,
	user.name, user.home, and user.dir.
	* include/posix.h, include/win32.h, posix.cc: New function
	_Jv_platform_initProperties.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51989 138bc75d-0d04-0410-961f-82ee72b054a4