Fix build error on windows.

build/bakefiles/config.bkl

@@ -594,7 +594,7 @@ For example, add "-F pe-i386" here if using 64 bit windres for 32 bit build.
 
     <set var="LIBCEF_DLL_WRAPPER_NAME">
       <if cond="PLATFORM_WIN32=='1'">
-        libcef
+        libcef_dll_wrapper
       </if>
       <if cond="PLATFORM_MACOSX=='1'">
         <!--TODO -->

src/common/webview_chromium.cpp

@@ -419,7 +419,7 @@ void wxWebViewChromium::RegisterHandler(wxSharedPtr<wxWebViewHandler> handler)
 }
 
 #ifdef __WXMSW__
-bool StartUp(int &code, const wxString &path = "")
+bool wxWebViewChromium::StartUp(int &code, const wxString &path)
 #else
 bool wxWebViewChromium::StartUp(int &code, const wxString &path,
                                 int argc, char* argv[])