* Headers/Foundation/NSMetadata.h: Add _ to delegate.
	* Source/GNUmakefile: Remove reference to NSMetadata.m
	* Source/NSMetadata.m: Remove from here and add OS specific
	implementations.
	* Source/unix/GNUmakefile: Add new file...
	* Source/unix/NSMetadata.m: UNIX implementation...
	* Source/win32/GNUmakefile: Add new file..
	* Source/win32/NSMetadata.m: Windows implementation.



git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@35932 72102866-910b-0410-8b05-ffd578937521