C++: Initialize member

Change-Id: Ifb708cb875aa1403de66a4c3302f70e0d1b4d2ac
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>

src/libs/cplusplus/SimpleLexer.cpp

@@ -45,7 +45,8 @@ SimpleLexer::SimpleLexer()
       _skipComments(false),
       _qtMocRunEnabled(true),
       _objCEnabled(false),
-      _endedJoined(false)
+      _endedJoined(false),
+      _cxx0xEnabled(false)
 {
 }