[LyX/master] Make verbose switch consistent.

[José Matos]

commit f9bf53f35abf88aa6dd25c7413e73db105464e17
Author: José Matos <jama...@lyx.org>
Date:   Mon Jun 3 07:31:05 2019 +0100

    Make verbose switch consistent.
    
    Someday we should probably unify these two switches. Because the debug 
switch is verbose
    and the verbose switch is mostly used for debuging.
---
 lib/scripts/lyxpreview2bitmap.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/scripts/lyxpreview2bitmap.py b/lib/scripts/lyxpreview2bitmap.py
index 236010f..eee000d 100755
--- a/lib/scripts/lyxpreview2bitmap.py
+++ b/lib/scripts/lyxpreview2bitmap.py
@@ -378,8 +378,8 @@ def main(argv):
     if len(dir) != 0:
         os.chdir(dir)
 
-    if lyxpreview_tools.debug:
-        f_out = open('debug.txt', 'a')
+    if lyxpreview_tools.verbose:
+        f_out = open('verbose.txt', 'a')
         sys.stdout = f_out
         sys.stderr = f_out