typo in the github.README instruction for frank mocap

[monajalal]

(base) mona@mona:~/research/phosa$ git clone https://github.com/facebookresearch/frankmocap.git external/frankmocap
Cloning into 'external/frankmocap'...
remote: Enumerating objects: 21, done.
remote: Counting objects: 100% (21/21), done.
remote: Compressing objects: 100% (20/20), done.
remote: Total 450 (delta 4), reused 6 (delta 1), pack-reused 429
Receiving objects: 100% (450/450), 237.55 KiB | 3.77 MiB/s, done.
Resolving deltas: 100% (252/252), done.
(base) mona@mona:~/research/phosa$ sh scripts/download_data_body_module.sh
sh: 0: Can't open scripts/download_data_body_module.sh

The command should change to:

$ sh external/frankmocap/scripts/download_data_body_module.sh

[jasonyzhang]

Thank you. This has been fixed.