* autoload.cc (CreateSymbolicLink): Define.

* environ.cc (set_winsymlinks): Set allow_winsymlinks.
	(parse_thing): Change "winsymlinks" to set by function.
	* globals.cc (enum winsym_t): Define.
	(allow_winsymlinks): Define as winsym_t.
	(ro_u_afs): New R/O Unicode string.
	* mount.cc (fs_info::update): Fix comment.  Handle AFS.
	(fs_names): Add "afs".
	* mount.h (enum fs_info_type): Add afs.
	(class fs_info): Implement afs.
	* path.cc (symlink): Drop third parameter in call to symlink_worker.
	(symlink_nfs): New function.
	(symlink_native): New function.
	(symlink_worker): Drop third argument.  Handle native symlink type by
	calling symlink_native.  Move code to handle NFS to symlink_nfs.  Fix
	formatting.  Slightly restructure code.
	* path.h (class path_conv): Add fs_is_afs method.
	(symlink_worker): Declare here.
	* security.h: Define privilege constants as unsigned int instead of as
	unsigned long.
	* syscalls.cc (mknod_worker): Set third parameter in symlink_worker
	call to WSYM_lnk.
	* winsup.h (symlink_worker): Drop declaration here.

winsup/cygwin/winsup.h

@@ -243,8 +243,6 @@ extern "C" void vklog (int priority, const char *message, va_list ap);
 extern "C" void klog (int priority, const char *message, ...);
 bool child_copy (HANDLE, bool, ...);
 
-int __reg3 symlink_worker (const char *, const char *, bool, bool);
-
 class path_conv;
 
 int __reg2 stat_worker (path_conv &pc, struct stat *buf);