1.0.2dev: ignore an `ESRCH` error while killing child process which has not been waited on Cygwin in `PyGIT.py`
1.0.2dev: ignore an `ESRCH` error while killing child process which has not been waited on Cygwin in `PyGIT.py`

Closes #10958.


git-svn-id: 50cd48c816abc7a9f40e8e03a4277466cb30a3e4@11710 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac