[LyX/master] Amend 9d8dfe934ba: Check _all_ visited dirs

[Kornel Benko]

commit a379c5d5ea35430c205b430ad1d89516ba371487
Author: Kornel Benko <kornel at lyx.org>
Date:   Thu Jun 2 12:16:07 2022 +0200

    Amend 9d8dfe934ba: Check _all_ visited dirs
---
 lib/scripts/TeXFiles.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/lib/scripts/TeXFiles.py b/lib/scripts/TeXFiles.py
index 16b7df2..a5787ea 100755
--- a/lib/scripts/TeXFiles.py
+++ b/lib/scripts/TeXFiles.py
@@ -111,12 +111,12 @@ for type in types:
     
     file_ext = '.' + type
     out = open(outfile, 'w')
+    visited = set()
     for dir in dirs.split(path_sep):
         # for each valid directory
         if not os.path.isdir(dir):
             continue
         # walk down the file hierarchy
-        visited = set()
         for root,dirs,files in os.walk(dir, followlinks=True):
             # prevent inifinite recursion
             recurse = []