[packagedb-cli] Fix SyntaxWarning

[Pierre-YvesChibon]

commit c854e5dfd4bb4c784edb1c2d34f80b2ca7cbc0b5
Author: Till Maas <opensource(a)till.name&gt;
Date:   Sat Dec 5 10:17:31 2015 +0100

    Fix SyntaxWarning
    
    global should be used before BZCLIENT is accessed:
    pkgdb2client/utils.py:51: SyntaxWarning: name 'BZCLIENT' is used prior
    to global declaration
      global BZCLIENT

 pkgdb2client/utils.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/pkgdb2client/utils.py b/pkgdb2client/utils.py
index 4b91dbe..4ca3f53 100644
--- a/pkgdb2client/utils.py
+++ b/pkgdb2client/utils.py
@@ -46,9 +46,9 @@ FASCLIENT = AccountSystem(
 
 def _get_bz():
     ''' Return a bugzilla object. '''
+    global BZCLIENT
     if not BZCLIENT:
         try:
-            global BZCLIENT
             BZCLIENT = Bugzilla(url=RH_BZ_API)
             BZCLIENT.logged_in
         except xmlrpclib.Error: