conv: Fix crash after multiple encoding changes0.54.1

https://gitlab.gnome.org/GNOME/vte/issues/50
(cherry picked from commit cb315a4c4162a543f910cb0c11a8cf91bd17b0e4)

1 files changed, 2 insertions, 0 deletions

diff --git a/src/vte.cc b/src/vte.cc
index 90a0f461..6c9f70f9 100644
--- a/src/vte.cc
+++ b/src/vte.cc
@@ -1967,6 +1967,8 @@ Terminal::set_encoding(char const* codeset)
                         g_iconv_close(m_incoming_conv);
                 if (m_outgoing_conv != ((GIConv)-1))
                         g_iconv_close(m_outgoing_conv);
+                m_incoming_conv = (GIConv)-1;
+                m_outgoing_conv = (GIConv)-1;
         } else {
                 auto outconv = g_iconv_open(codeset, "UTF-8");
                 if (outconv == ((GIConv)-1))