Index: /trunk/src/VBox/Frontends/VirtualBox/src/extradata/UIExtraDataManager.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/extradata/UIExtraDataManager.cpp	(revision 51948)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/extradata/UIExtraDataManager.cpp	(revision 51949)
@@ -1302,5 +1302,7 @@
             {
                 /* Configure chooser-filter: */
+#if QT_VERSION >= 0x040700
                 m_pFilterOfChooser->setPlaceholderText("Search..");
+#endif /* QT_VERSION >= 0x040700 */
                 connect(m_pFilterOfChooser, SIGNAL(textChanged(const QString&)),
                         this, SLOT(sltChooserApplyFilter(const QString&)));
@@ -1367,5 +1369,7 @@
             {
                 /* Configure data-filter: */
+#if QT_VERSION >= 0x040700
                 m_pFilterOfData->setPlaceholderText("Search..");
+#endif /* QT_VERSION >= 0x040700 */
                 connect(m_pFilterOfData, SIGNAL(textChanged(const QString&)),
                         this, SLOT(sltDataApplyFilter(const QString&)));