[library-web] fix error message to display missing filename

[Frederic Peters <fpeters src gnome org>]

commit 3bb8af15911c7ff7ee8b6b4867aa8513f6c6e020
Author: Frederic Peters <fpeters 0d be>
Date:   Wed May 6 21:11:17 2009 +0200

    fix error message to display missing filename
---
 src/lgo.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/lgo.py b/src/lgo.py
index d6dfd4e..e9dc1aa 100755
--- a/src/lgo.py
+++ b/src/lgo.py
@@ -1487,7 +1487,7 @@ class Lgo:
         for filename in [os.path.join(data_dir, 'overlay.xml'),
                     os.path.join(data_dir, 'catalog.xml')]:
             if not os.path.exists(filename):
-                print >> sys.stderr, '%s is missing, you should run make'
+                print >> sys.stderr, '%s is missing, you should run make' % filename
                 sys.exit(1)
 
         if not self.config.output_dir.endswith(os.path.sep):