ansible/ansible — pull request #6450 by renaudguerin (2014-03-12 18:37:32+00:00)
Title: Call run_command with "use_unsafe_shell = True" where needed.

Since commit ba0fec4, run_command() requires use_unsafe_shell=True for shell pipelines to work.
This fixes it for hopefully all modules, including mysql_db (issue #6397)