Fix shebang for contrib/cgreen-mocker.py
Fix shebang for contrib/cgreen-mocker.py

cgreen-devs/cgreen,cgreen-devs/cgreen,thoni56/cgreen,thoni56/cgreen,thoni56/cgreen,cgreen-devs/cgreen,cgreen-devs/cgreen,thoni56/cgreen,thoni56/cgreen,cgreen-devs/cgreen