[LyX/master] Converters: always set version to something.

[Thibaut Cuvelier]

commit 1991d0ed24780cbb0064b7be7a733bc1ee9e241e
Author: Thibaut Cuvelier <tcuvelier at lyx.org>
Date:   Wed Sep 16 04:12:26 2020 +0200

    Converters: always set version to something.
    
    Otherwise, it's common to compare "None >= (6,2,6)", which makes no sense. Set it to (0,0,0) so that any comparison fails (without an error message).
---
 lib/scripts/convertDefault.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/lib/scripts/convertDefault.py b/lib/scripts/convertDefault.py
index 5287e96..d04fa78 100644
--- a/lib/scripts/convertDefault.py
+++ b/lib/scripts/convertDefault.py
@@ -53,6 +53,8 @@ else:
         gm = True
         # we need version to be a valid integer 3-tuple
         version = (1,0,0)
+    else:
+        version = (0,0,0)
 
 # IM >= 5.5.8 separates options for source and target files
 # See http://www.imagemagick.org/Usage/basics/#why