make the DMD comments in the header Doxygen compliant

[langou]

This should make the header comments of the eight DMD subroutines doxygen complaints.

[codecov]

Codecov Report

Attention: 176 lines in your changes are missing coverage. Please review.

Comparison is base (3a6f462) 0.00% compared to head (7795ecf) 0.00%.
Report is 18 commits behind head on master.

❗ Current head 7795ecf differs from pull request most recent head 466401c. Consider uploading reports for the commit 466401c to get more accurate results

Additional details and impacted files

@@           Coverage Diff            @@
##           master     #936    +/-   ##
========================================
  Coverage    0.00%    0.00%            
========================================
  Files        1918     1918            
  Lines      188645   188757   +112     
========================================
- Misses     188645   188757   +112     

Files	Coverage Δ
SRC/cgedmd.f90	0.00% <ø> (ø)
SRC/cgedmdq.f90	0.00% <ø> (ø)
SRC/dgedmdq.f90	0.00% <ø> (ø)
SRC/sgedmdq.f90	0.00% <ø> (ø)
SRC/zgedmdq.f90	0.00% <ø> (ø)
SRC/clarfgp.f	0.00% <0.00%> (ø)
SRC/dlarfgp.f	0.00% <0.00%> (ø)
SRC/slarfgp.f	0.00% <0.00%> (ø)
SRC/zlarfgp.f	0.00% <0.00%> (ø)
SRC/dgedmd.f90	0.00% <0.00%> (ø)
... and 16 more

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[weslleyspereira]

Thanks!