Harmattan: Fix initial packaging icon.

The code had not been updated when the application icon file name
changed in the wizard.

Change-Id: I3f489ca09ac1bda4f10166235692a43ca23e638a
Reviewed-on: http://codereview.qt.nokia.com/4305
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>

src/plugins/remotelinux/qt4maemotarget.cpp

@@ -704,7 +704,7 @@ void AbstractDebBasedQt4MaemoTarget::handleTargetAddedSpecial()
         // Such a file is created by the mobile wizards.
         const QString iconPath = project()->projectDirectory()
             + QLatin1Char('/') + project()->displayName()
-            + QLatin1String(".png");
+            + QLatin1String("64.png");
         if (QFileInfo(iconPath).exists())
             setPackageManagerIcon(iconPath);
     }