Remove dead files.

Strip tabs from files.
Fix MSVC-specific workaround that doesn't work on Win64.


[SVN r30002]

libs/regex

@@ -1 +1 @@
-Subproject commit 47817685159b560eda20c3b41bba51eb2fb7fc51
+Subproject commit 1991c202ed9e771b20243057a4a44929d5fa6cd0