(blind) compilation fix after recent KeywordSearch changes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23733 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/generic/helpext.h

@@ -129,7 +129,8 @@ DECLARE_CLASS(wxExtHelpController)
        @key k string to search for, empty string will list all entries
        @return true on success
    */
-   virtual bool KeywordSearch(const wxString& k);
+   virtual bool KeywordSearch(const wxString& k,
+                              wxHelpSearchMode mode = wxHELP_SEARCH_ALL);
 
    /// does nothing
    virtual bool Quit(void);

src/generic/helpext.cpp

@@ -389,7 +389,8 @@ wxExtHelpController::DisplayBlock(long blockNo)
 }
 
 bool
-wxExtHelpController::KeywordSearch(const wxString& k)
+wxExtHelpController::KeywordSearch(const wxString& k,
+                                   wxHelpSearchMode WXUNUSED(mode))
 {
    if(! m_NumOfEntries)
       return FALSE;