Ensure that we have an available backend for wxWebView compilation.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69060 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/webview.cpp

@@ -10,7 +10,7 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#if wxUSE_WEBVIEW
+#if wxUSE_WEBVIEW && (wxUSE_WEBVIEW_WEBKIT || wxUSE_WEBVIEW_IE)
 
 #if defined(__BORLANDC__)
     #pragma hdrstop
@@ -112,4 +112,4 @@ wxWebView* wxWebView::New(wxWindow* parent,
     }
 }
 
-#endif // wxUSE_WEBVIEW
+#endif // wxUSE_WEBVIEW && (wxUSE_WEBVIEW_WEBKIT || wxUSE_WEBVIEW_IE)