Create engines directory if necessary
Create engines directory if necessary

This will make OpenSync not fail if the ~/.opensync/engines directory
doesn't exist when running a synchronization.


git-svn-id: c84d288072f89a5d247ff1cec484dbd0eb473012@924 53f5c7ee-bee3-0310-bbc5-ea0e15fffd5e

ianmartin/opensync,ianmartin/opensync