ceph: send pgid in command strings of pg tell

It's also passed as part of the message, but to avoid having to
rev MCommand, just pass it in cmd there as well

Signed-off-by: Dan Mick <dan.mick@inktank.com>

src/ceph

@@ -973,7 +973,8 @@ def json_command(prefix=None, argdict=None, inbuf=''):
 
     try:
         if cmddict['prefix'] == 'pg' and cmddict.has_key('pgid'):
-            pgid = cmddict.pop('pgid')
+            # leave it in cmddict for the OSD to use too
+            pgid = cmddict['pgid']
             ret, outbuf, outs = \
                 cluster.pg_command(pgid, json.dumps(cmddict), inbuf)
         elif cmddict['prefix'] == 'tell' and cmddict.has_key('target'):