Source/JavaScriptCore: Another Windows build fix attempt after r150160.

* JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCoreExports.def:
* JavaScriptCore.vcxproj/JavaScriptCoreExportGenerator/JavaScriptCoreExports.def.in:

Source/WebKit: Revert the previous commit.

* WebKit.vcxproj/WebKitExportGenerator/WebKitExports.def.in:

Source/WebKit/win: Revert the previous commit.

* WebKit.vcproj/WebKitExports.def.in:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@150172 268f45cc-cd09-0410-ab3c-d52691b4dbfc