[vte] vte.csh: Fix the behavior if VTE_VERSION is undefined

[Egmont Koblinger <egmontkob src gnome org>]

commit d77d42c6d556a961ad99b682e1b65b5e6aecc979
Author: Egmont Koblinger <egmont gmail com>
Date:   Fri Mar 13 16:30:50 2020 +0100

    vte.csh: Fix the behavior if VTE_VERSION is undefined
    
    https://gitlab.gnome.org/GNOME/vte/issues/217

 src/vte.csh.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/vte.csh.in b/src/vte.csh.in
index e809d9c0..c42e3d84 100644
--- a/src/vte.csh.in
+++ b/src/vte.csh.in
@@ -16,7 +16,7 @@
 # Red Hat Author(s): Carlos Santos
 
 # exit if non-interactive, csh, no terminal or old VTE versions
-if ( ! $?prompt | ! $?tcsh | ! $?TERM | 0$VTE_VERSION < 3405) exit
+if ( ! $?prompt | ! $?tcsh | ! $?TERM | ! $?VTE_VERSION ) exit
 
 switch($TERM)
   case xterm*: