WinNT 4.0 does not support hard links. Not sure if removing the feature entirely is the best fix, but since NT 4.0 is about dead it seems harmless to fix this way. (Based on patch from Mark Bartosik)

[SVN r33084]

libs/filesystem

@@ -1 +1 @@
-Subproject commit 04ec0fa26f79a8ddaabf610c941508a004f07516
+Subproject commit 897bbc0706cd32e4d224d3b79f49dc4e69865c66