Fixed Q_PROPERTY parsing to handle all possible cases.

src/shared/cplusplus/ASTfwd.h

@@ -168,10 +168,7 @@ class QtFlagsDeclarationAST;
 class QtMemberDeclarationAST;
 class QtMethodAST;
 class QtPropertyDeclarationAST;
-class QtPropertyDeclarationBoolItemAST;
-class QtPropertyDeclarationFlaggingItemAST;
 class QtPropertyDeclarationItemAST;
-class QtPropertyDeclarationNamingItemAST;
 class QualifiedNameAST;
 class ReferenceAST;
 class ReturnStatementAST;