Fix #25 - The destination of GENDOC_DD_DIR is wrong

[shoo]

No description provided.

[codecov]

Codecov Report

Merging #26 (283eabf) into master (c31e66d) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master      #26   +/-   ##
=======================================
  Coverage   87.27%   87.27%           
=======================================
  Files           8        8           
  Lines        1108     1108           
=======================================
  Hits          967      967           
  Misses        141      141           

Impacted Files	Coverage Δ
source/gendoc/config.d	66.51% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update c31e66d...283eabf. Read the comment docs.