Fixes. Restore the check for file existance for NT/achive. Remove conditional

setting of .cygpath variable, since it's not used anywhere.


[SVN r24738]

tools/build

@@ -1 +1 @@
-Subproject commit 125958ce05ef5bcb9e7b6070c210bd98058bf615
+Subproject commit 50fe9b46b313ba7a46de2cdbdefea9fa5360e9f3