File Add-no-discard-stderr-to-help2man.patch of Package drbdmanage

diff -Naur drbdmanage-0.99.5.orig/setup.py drbdmanage-0.99.5/setup.py
--- drbdmanage-0.99.5.orig/setup.py	2017-07-13 11:57:28.417829615 +0800
+++ drbdmanage-0.99.5/setup.py	2017-07-13 11:58:08.333971068 +0800
@@ -151,7 +151,7 @@
             if os.path.isfile(outfile):
                 continue
             sys.stdout.write("Generating %s ...\n" % (outfile))
-            mangen = ["help2man", "-n", toplevel, '-s', mansection,
+            mangen = ["help2man", "-n", toplevel, '-s', mansection, "--no-discard-stderr",
                       '--version-string=%s' % (get_version()), "-N",
                       '"./drbdmanage_client.py %s"' % (toplevel)]