C++: Fix resolving of recursive typedef

Use-case:
template<typename _Tp>
struct Temp { typedef _Tp value_type; };

struct Foo { int bar; };

void func()
{
    Temp<Temp<Foo> >::value_type::value_type *p;
    p->bar; // bar not highlighted
}

Task-number: QTCREATORBUG-14237
Change-Id: Ie0b21b81526d610437ed2d2877083bb929c25047
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

src/libs/cplusplus/LookupContext.cpp

@@ -1103,7 +1103,7 @@ LookupScope *LookupScopePrivate::lookupType_helper(
 
             foreach (Symbol *s, _symbols) {
                 if (Class *klass = s->asClass()) {
-                    if (klass->identifier() && klass->identifier()->match(name->identifier()))
+                    if (klass->name() && klass->name()->match(name))
                         return q;
                 }
             }