Update documentation for new library name.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/SOC2011_WEBVIEW@68790 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/doxygen/mainpages/const_wxusedef.h

@@ -256,6 +256,7 @@ library:
 @itemdef{wxUSE_URL_NATIVE, Use native support for some operations with wxURL.}
 @itemdef{wxUSE_VALIDATORS, Use wxValidator class.}
 @itemdef{wxUSE_VARIANT, Use wxVariant class.}
+@itemdef{wxUSE_WEBVIEW, Use wxWebView class.}
 @itemdef{wxUSE_WIZARDDLG, Use wxWizard class.}
 @itemdef{wxUSE_WXHTML_HELP, Use wxHtmlHelpController and related classes.}
 @itemdef{wxUSE_XML, Use XML parsing classes.}