[Qt, OSX] fix Qt4.8 compatibility with QProgressBar issue

jonasschnelli · laanwj · commit c5a22828559b · 2014-11-24T15:26:58.000+01:00
Rebased-From: 7f33d2cebfde99ded12c711ef6bd77c91725cfb8
Github-Issue: #5344
diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
@@ -189,7 +189,7 @@ namespace GUIUtil
     /* Format a CNodeCombinedStats.dPingTime into a user-readable string or display N/A, if 0*/
     QString formatPingTime(double dPingTime);
     
-#ifdef Q_OS_MAC
+#if defined(Q_OS_MAC) && QT_VERSION >= 0x050000
     // workaround for Qt OSX Bug:
     // https://bugreports.qt-project.org/browse/QTBUG-15631
     // QProgressBar uses around 10% CPU even when app is in background
