Fixes: Doc - starting on modifying Part 3

RevBy:    TrustMe

doc/examples/addressbook-sdk/part3/main.cpp

@@ -0,0 +1,12 @@
+//! [main function]
+#include <QtGui/QApplication>
+#include "addressbook.h"
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    AddressBook w;
+    w.show();
+    return a.exec();
+}
+//! [main function]