fix access for some pointers

[lkapelevich]

No description provided.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@573c0cc). Click here to learn what that means.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##             master     #600   +/-   ##
=========================================
  Coverage          ?   94.92%           
=========================================
  Files             ?       45           
  Lines             ?     6222           
  Branches          ?        0           
=========================================
  Hits              ?     5906           
  Misses            ?      316           
  Partials          ?        0           

Impacted Files	Coverage Δ
src/Cones/possemideftrisparse.jl	100.00% <100.00%> (ø)

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