fixed mac os clang warnings

src/qtgui/reslist.cpp

@@ -133,18 +133,18 @@ public:
     QtGuiResListPager(ResList *p, int ps, bool alwayssnip) 
         : ResListPager(ps, alwayssnip), m_reslist(p) 
         {}
-    virtual bool append(const string& data);
-    virtual bool append(const string& data, int idx, const Rcl::Doc& doc);
-    virtual string trans(const string& in);
-    virtual string detailsLink();
-    virtual const string &parFormat();
-    virtual const string &dateFormat();
-    virtual string nextUrl();
-    virtual string prevUrl();
-    virtual string headerContent();
+    virtual bool append(const string& data) override;
+    virtual bool append(const string& data, int idx, const Rcl::Doc& doc) override;
+    virtual string trans(const string& in) override;
+    virtual string detailsLink() override;
+    virtual const string &parFormat() override;
+    virtual const string &dateFormat() override;
+    virtual string nextUrl() override;
+    virtual string prevUrl() override;
+    virtual string headerContent() override;
     virtual void suggest(const vector<string>uterms, 
-                         map<string, vector<string> >& sugg);
-    virtual string absSep() {return (const char *)(prefs.abssep.toUtf8());}
+                         map<string, vector<string> >& sugg) override;
+    virtual string absSep() override {return (const char *)(prefs.abssep.toUtf8());}
 
 #if defined(USING_WEBENGINE) || defined(USING_WEBKIT)
     // We used to use http://localhost/. Now use file:/// as this is

src/qtgui/ssearch_w.cpp

@@ -247,7 +247,7 @@ void SSearch::onCompleterShown()
     }
     // Test if the completer text begins with the current input.
     QString text = data.toString();
-    if (!text.lastIndexOf(queryText->text()) == 0) {
+    if (text.lastIndexOf(queryText->text()) != 0) {
         return;
     }
     

src/qtgui/uiprefs.ui

@@ -470,7 +470,7 @@
         </widget>
        </item>
        <item>
-        <layout class="QHBoxLayout" name="horizontalLayout">
+        <layout class="QHBoxLayout" name="horizontalLayout_3">
          <item>
           <widget class="QLabel" name="label">
            <property name="toolTip">

src/qtgui/xmltosd.cpp

@@ -223,7 +223,7 @@ public:
     }
 
     void startElement(const std::string &nm,
-                      const std::map<std::string, std::string>& attrs) {
+                      const std::map<std::string, std::string>& attrs) override {
         LOGDEB2("SSHXMLHandler::startElement: name [" << nm << "]\n");
         if (nm == "SD") {
             // Simple search saved data has a type='ssearch' attribute.
@@ -277,7 +277,7 @@ public:
         return ;
     }
 
-    void characterData(const std::string &str) {
+    void characterData(const std::string &str) override {
         currentText += str;
     }