fix empty expressions in dvb list search

diff --git a/lib/dvb/db.cpp b/lib/dvb/db.cpp
index 244c2f0..2fbe53e 100644 (file)
--- a/lib/dvb/db.cpp
+++ b/lib/dvb/db.cpp
@@ -1246,6 +1246,7 @@ RESULT eDVBChannelQuery::compile(ePtr<eDVBChannelQuery> &res, std::string query)
        if (!r && !res)
        {
                res = new eDVBChannelQuery();
+               res->m_inverse = 0;
                res->m_type = eDVBChannelQuery::tAny;
        }