[Win] DLLs are missing version information.

[Win] DLLs are missing version information.
https://bugs.webkit.org/show_bug.cgi?id=159349

Reviewed by Brent Fulgham.

.:

The version stamping will fail if the target path has forward slashes.

* Source/cmake/tools/scripts/version-stamp.pl: Replace forward slashes with backslashes.

Source/JavaScriptCore:

Generate autoversion.h and run perl version stamp utility.

* CMakeLists.txt:

Source/WebKit:

Run perl version stamp utility.

* CMakeLists.txt:

Source/WTF:

Generate autoversion.h and run perl version stamp utility.

* wtf/CMakeLists.txt:

WebKitLibraries:

The version stamping will fail if the target path has forward slashes.

* win/tools/scripts/version-stamp.pl: Replace forward slashes with backslashes.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@203111 268f45cc-cd09-0410-ab3c-d52691b4dbfc