Constify some function arguments

[jeltz]

Some of the functions which take a principal key should take a const pointer.

[AndersAstrand]

s/Consitify/Constify/
s/fucntions/functions/

[jeltz]

Fixed!

[codecov-commenter]

Codecov Report

❌ Patch coverage is 75.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 82.20%. Comparing base (da899e0) to head (54f7079).
⚠️ Report is 5 commits behind head on TDE_REL_17_STABLE.

❌ Your project status has failed because the head coverage (82.20%) is below the target coverage (90.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@                  Coverage Diff                  @@
##           TDE_REL_17_STABLE     #518      +/-   ##
=====================================================
- Coverage              82.22%   82.20%   -0.03%     
=====================================================
  Files                     25       25              
  Lines                   3179     3175       -4     
  Branches                 515      515              
=====================================================
- Hits                    2614     2610       -4     
  Misses                   456      456              
  Partials                 109      109              

Components	Coverage Δ
access	83.47% <75.00%> (-0.10%)	⬇️
catalog	87.61% <ø> (ø)
common	77.77% <ø> (ø)
encryption	72.97% <ø> (ø)
keyring	73.21% <ø> (ø)
src	94.15% <ø> (ø)
smgr	95.29% <ø> (ø)
transam	∅ <ø> (∅)

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