[LyX/2.1.x] configure.py: quote path to python

[Uwe Stöhr]

commit 6cd6de3eb52a9e4b8678da341c498fd9cd28e56e
Author: Uwe Stöhr <uwesto...@lyx.org>
Date:   Wed Feb 11 21:52:36 2015 +0100

    configure.py: quote path to python
    
    this fixes a path issue unveiled while inspecting bug #8478

diff --git a/lib/configure.py b/lib/configure.py
index 5fdd1e6..f72f0a6 100644
--- a/lib/configure.py
+++ b/lib/configure.py
@@ -1460,7 +1460,7 @@ def rescanTeXFiles():
     if not os.path.isfile( os.path.join(srcdir, 'scripts', 'TeXFiles.py') ):
         logger.error("configure: error: cannot find TeXFiles.py script")
         sys.exit(1)
-    tfp = cmdOutput("python -tt " + os.path.join(srcdir, 'scripts', 
'TeXFiles.py'))
+    tfp = cmdOutput("python -tt " + '"' + os.path.join(srcdir, 'scripts', 
'TeXFiles.py') + '"')
     logger.info(tfp)
     logger.info("\tdone")
 
diff --git a/status.21x b/status.21x
index 845a543..5caca60 100644
--- a/status.21x
+++ b/status.21x
@@ -93,3 +93,4 @@ What's new
 
 * BUILD/INSTALLATION
 
+- Fix a configuration error on Windows causing that TeX files were not scanned.