sshserver: Don't try to close fp if mkstemp failed

mercurial/sshserver.py

@@ -167,7 +167,7 b' class sshserver(object):'
         self.respond('')
 
         # write bundle data to temporary file because it can be big
-
+        tempname = fp = None
         try:
             fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-')
             fp = os.fdopen(fd, 'wb+')
@@ -198,7 +198,9 b' class sshserver(object):'
                     self.lock.release()
                     self.lock = None
         finally:
+            if fp is not None:
             fp.close()
+            if tempname is not None:
             os.unlink(tempname)
 
     def do_stream_out(self):