Tracepointgen should handle absolute include paths

If building within Yocto with lttng enabled syncqt's generated headers
will contain full paths, so the check for `startWith('Q')` must check
the basename only

Change-Id: I0c3621b2b5062c085ffa0b70c7f16ff9c16c26b7
Reviewed-by: Alexey Edelev <[email protected]>

src/tools/tracepointgen/parser.cpp

@@ -521,9 +521,8 @@ void Parser::addIncludesRecursive(const QString &filename, QList<QString> &inclu
             rinc = info2.absoluteFilePath();
             filename = info2.fileName();
         }
-
         // only search possible qt headers
-        if (filename.startsWith(QLatin1Char('q'), Qt::CaseInsensitive)) {
+        if (QFileInfo(filename).baseName().startsWith(QLatin1Char('q'), Qt::CaseInsensitive)) {
             QString resolved = resolveInclude(rinc);
             if (!resolved.isEmpty() && !includes.contains(resolved)) {
                 includes.push_back(resolved);