Print error message to stderr (Fix bug 5731)

As stdout is redirected to /dev/null by some DMs, we need to print error
messages to stderr.

diff --git a/data/autostart/openbox-xdg-autostart b/data/autostart/openbox-xdg-autostart
index ea76028..04a17a1 100755 (executable)
--- a/data/autostart/openbox-xdg-autostart
+++ b/data/autostart/openbox-xdg-autostart
@@ -29,7 +29,7 @@ try:
     from xdg.Exceptions import ParsingError
 except ImportError:
     print
     from xdg.Exceptions import ParsingError
 except ImportError:
     print

-    print "ERROR:", ME, "requires PyXDG to be installed"
+    print >>sys.stderr, "ERROR:", ME, "requires PyXDG to be installed"

     print
     sys.exit(1)
 
     print
     sys.exit(1)