Fix XendLogging to work on Python 2.4.0 and 2.4.1 (the logging library interface

changed with 2.4.2, not 2.4.0).

Signed-off-by: Qing He <qing.he@intel.com>

tools/python/xen/xend/XendLogging.py

@@ -52,8 +52,8 @@ if 'TRACE' not in logging.__dict__:
         for frame in frames:
             filename = os.path.normcase(frame[1])
             if filename != thisfile and filename != logging._srcfile:
-                major, minor, _, _, _ = sys.version_info
-                if major == 2 and minor >= 4:
+                major, minor, micro, _, _ = sys.version_info
+                if (major, minor, micro) >= (2, 4, 2):
                     return filename, frame[2], frame[3]
                 else:
                     return filename, frame[2]