There is an updated pull request by codesoap against master on the mblaze repository

https://github.com/codesoap/mblaze shebang
https://github.com/leahneukirchen/mblaze/pull/196

mcom: do not match shebang in needs_multipart()
Avoids matching lines like `#!/usr/bin/env sh`. Also require at least one character after `/`.

A patch file from https://github.com/leahneukirchen/mblaze/pull/196.patch is attached