Fix downloading source DITA-OT to own directory
Fix downloading source DITA-OT to own directory

When both rendition and source DITA-OT are the same versions, they overlap.

Signed-off-by: Jarno Elovirta <0f1ab0ac7dffd9db21aa539af2fd4bb04abc3ad4@elovirta.com>

dita-ot/docs