git-p4: fix bug with encoding of p4 client name

The Perforce client name can contain arbitrary characters
which do not decode to UTF-8. Use the fallback strategy
implemented in metadata_stream_to_writable_bytes() also
for the client name.

Signed-off-by: Kilian Kilger <kkilger@gmail.com>
Reviewed-by: Tao Klerks <tao@klerks.biz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

git-p4.py

@@ -854,12 +854,12 @@ def p4CmdList(cmd, stdin=None, stdin_mode='w+b', cb=None, skip_info=False,
             if bytes is not str:
                 # Decode unmarshalled dict to use str keys and values, except for:
                 #   - `data` which may contain arbitrary binary data
-                #   - `desc` or `FullName` which may contain non-UTF8 encoded text handled below, eagerly converted to bytes
+                #   - `desc` or `client` or `FullName` which may contain non-UTF8 encoded text handled below, eagerly converted to bytes
                 #   - `depotFile[0-9]*`, `path`, or `clientFile` which may contain non-UTF8 encoded text, handled by decode_path()
                 decoded_entry = {}
                 for key, value in entry.items():
                     key = key.decode()
-                    if isinstance(value, bytes) and not (key in ('data', 'desc', 'FullName', 'path', 'clientFile') or key.startswith('depotFile')):
+                    if isinstance(value, bytes) and not (key in ('data', 'desc', 'FullName', 'path', 'clientFile', 'client') or key.startswith('depotFile')):
                         value = value.decode()
                     decoded_entry[key] = value
                 # Parse out data if it's an error response
@@ -871,6 +871,8 @@ def p4CmdList(cmd, stdin=None, stdin_mode='w+b', cb=None, skip_info=False,
                     continue
             if 'desc' in entry:
                 entry['desc'] = metadata_stream_to_writable_bytes(entry['desc'])
+            if 'client' in entry:
+                entry['client'] = metadata_stream_to_writable_bytes(entry['client'])
             if 'FullName' in entry:
                 entry['FullName'] = metadata_stream_to_writable_bytes(entry['FullName'])
             if cb is not None: