Check in wdiff.exe, needed by my (forthcoming) --wdiff support for layout tests.

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/cygwin@3028 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
diff --git a/bin/wdiff.exe b/bin/wdiff.exe
new file mode 100644
index 0000000..f5c854d
--- /dev/null
+++ b/bin/wdiff.exe
Binary files differ