NF_GetMediaItemAverageRMS make REAPER crash

[dsyrock]

If you pass a nil variable to it, REAPER crash.

The version of SWS is 2.11.0.0 08d3c6f built on Dec 7 2019
The version of REAPER is V6.03

[nofishonfriday]

Thanks for the report.
Fixed for next SWS version.