C++: Fix weird logic in usage of TopLevelDeclarationProcessor::processDeclaration

As the name function name suggests, true should be returned if the
declaration should be processed. Otherwise false.

Change-Id: I8d266d99c579b331fee8772bde47aa1a466dae9c
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/libs/3rdparty/cplusplus/Parser.cpp

@@ -541,7 +541,7 @@ bool Parser::parseTranslationUnit(TranslationUnitAST *&node)
 
 
         if (TopLevelDeclarationProcessor *processor = _control->topLevelDeclarationProcessor()) {
-            if (processor->processDeclaration(declaration))
+            if (!processor->processDeclaration(declaration))
                 break;
         }
 

src/plugins/cpptools/cpptoolseditorsupport.cpp

@@ -584,7 +584,7 @@ void CppEditorSupport::recalculateSemanticInfoDetached_helper(QFutureInterface<v
         virtual ~TLDProc() {}
         virtual bool processDeclaration(DeclarationAST *ast) {
             Q_UNUSED(ast);
-            return m_theFuture.isCanceled();
+            return !m_theFuture.isCanceled();
         }
     };