[LyX/master] Add further debug information fow windows (#11457)

[José Matos]

commit 050f0cbc91863ae608bba00c858b357f20198bcc
Author: José Matos <jama...@lyx.org>
Date:   Fri May 31 16:07:13 2019 +0100

    Add further debug information fow windows (#11457)
---
 lib/scripts/lyxpreview2bitmap.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/lib/scripts/lyxpreview2bitmap.py b/lib/scripts/lyxpreview2bitmap.py
index 6a7259a..b02c522 100755
--- a/lib/scripts/lyxpreview2bitmap.py
+++ b/lib/scripts/lyxpreview2bitmap.py
@@ -386,6 +386,8 @@ def main(argv):
     # Echo the settings
     progress("Running Python %s" % str(sys.version_info[:3]))
     progress("Starting %s..." % script_name)
+    if os.name == "nt":
+        progress("Use win32_modules: %d" % lyxpreview_tools.use_win32_modules)
     progress("Output format: %s" % output_format)
     progress("Foreground color: %s" % fg_color)
     progress("Background color: %s" % bg_color)