##### SUMMARY
`get_url` inherits from `add_file_common_args`, which includes `unsafe_writes`, however our call to `atomic_move` does not pass this argument along.

https://github.com/ansible/ansible/blob/5226ac5778d3b57296b925de5d4ad0b485bb11cd/lib/ansible/modules/get_url.py#L463

https://github.com/ansible/ansible/blob/5226ac5778d3b57296b925de5d4ad0b485bb11cd/lib/ansible/modules/get_url.py#L633

```diff
diff --git a/lib/ansible/modules/get_url.py b/lib/ansible/modules/get_url.py
index 6ac370c2ef..c29d69e5c9 100644
--- a/lib/ansible/modules/get_url.py
+++ b/lib/ansible/modules/get_url.py
@@ -630,7 +630,7 @@ def main():
             if backup:
                 if os.path.exists(dest):
                     backup_file = module.backup_local(dest)
-            module.atomic_move(tmpsrc, dest)
+            module.atomic_move(tmpsrc, dest, unsafe_writes=module.params['unsafe_writes'])
         except Exception as e:
             if os.path.exists(tmpsrc):
                 os.remove(tmpsrc)
```

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
lib/ansible/modules/get_url.py

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```paste below
2.9
2.10
2.11
```

##### CONFIGURATION
<!--- Paste verbatim output from "ansible-config dump --only-changed" between quotes -->
```paste below

```

##### OS / ENVIRONMENT
<!--- Provide all relevant information below, e.g. target OS versions, network device firmware, etc. -->


##### STEPS TO REPRODUCE
<!--- Describe exactly how to reproduce the problem, using a minimal test-case -->

<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

<!--- HINT: You can paste gist.github.com links for larger files -->

##### EXPECTED RESULTS
<!--- Describe what you expected to happen when running the steps above -->


##### ACTUAL RESULTS
<!--- Describe what actually happened. If possible run with extra verbosity (-vvvv) -->

<!--- Paste verbatim command output between quotes -->
```paste below

```

pass
class AnsibleModule(object):
    def __init__(self, argument_spec, bypass_checks=False, no_log=False,
                 mutually_exclusive=None, required_together=None,
                 required_one_of=None, add_file_common_args=False,
                 supports_check_mode=False, required_if=None, required_by=None):
        '''
        Common code for quickly building an ansible module in Python
        (although you can write modules with anything that can return JSON).
        See :ref:`developing_modules_general` for a general introduction
        and :ref:`developing_program_flow_modules` for more detailed explanation.
        '''
        self._name = os.path.basename(__file__)  
        self.argument_spec = argument_spec
        self.supports_check_mode = supports_check_mode
        self.check_mode = False
        self.bypass_checks = bypass_checks
        self.no_log = no_log
        self.mutually_exclusive = mutually_exclusive
        self.required_together = required_together
        self.required_one_of = required_one_of
        self.required_if = required_if
        self.required_by = required_by
        self.cleanup_files = []
        self._debug = False
        self._diff = False