Fix motion tracker filter broken on cut clips.

Should fix #437

src/jobs/filterclipjob.cpp

@@ -103,7 +103,7 @@ void FilterClipJob::configureFilter()
         }
     }
     if (m_filterData.find(QLatin1String("relativeInOut")) != m_filterData.end()) {
-        m_filter->set_in_and_out(0, length - 1);
+        // leave it operate on full clip
     } else {
         m_filter->set_in_and_out(m_producer->get_in(), m_producer->get_out());
     }

src/jobs/meltjob.cpp

@@ -107,7 +107,7 @@ bool MeltJob::startJob()
         if (m_in == -1) {
             m_in = 0;
         }
-        if (m_out != m_producer->get_length() - 1 || m_in != 0) {
+        if (m_in != 0 || m_out != m_producer->get_length() - 1) {
             std::swap(m_wholeProducer, m_producer);
             m_producer.reset(m_wholeProducer->cut(m_in, m_out));
         }