[rtmpdump] Option to enable bandwidth usage limit to rtmpdump

[Howard Chu]

Rajesh Kumar G wrote:
> Hi,
>
> Attached is a patch to optionally enable bandwidth usage limit to rtmpdump. I
> did it to meet some requirements I had in my enviornment, hope someone finds
> it useful.

Bandwidth limiting is already built into the RTMP protocol. You just need to 
set the bufferTime option to a smaller time. This patch is unnecessary.