Debugger: Enable "Break on Raise" by default on Windows

Following 2 recent messages on the mailing list, I suggest
this option is turned on by default.

http://lists.qt-project.org/pipermail/qt-creator/2012-February/000295.html
http://lists.qt-project.org/pipermail/qt-creator/2012-February/000331.html

Change-Id: I2abb705ee1aad241bd15c01ea5ca429874693847
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/debuggeractions.cpp

@@ -340,8 +340,13 @@ DebuggerSettings::DebuggerSettings(QSettings *settings)
     item = new SavedAction(this);
     item->setText(tr("Break on \"raise\""));
     item->setCheckable(true);
+#ifdef Q_OS_WIN
+    item->setDefaultValue(true);
+    item->setValue(true);
+#else
     item->setDefaultValue(false);
     item->setValue(false);
+#endif
     item->setSettingsKey(debugModeGroup, QLatin1String("BreakOnRaise"));
     insertItem(BreakOnRaise, item);