Fixes reference to ssh-id-wrapper script

The ssh-id-wrapper script was moved to a sub directory. 

Fixes:
```
          ID: example.git
    Function: git.latest
        Name: git@example.com:group/example.git
      Result: False
     Comment: error: cannot run /usr/lib/pymodules/python2.7/salt/templates/ssh-id-wrapper: No such file or directory
              fatal: unable to fork
     Changes:
```