Fixed sizeof(char *const [5]). Fixes #286

[yulvil]

This change is 

[codecov]

Codecov Report

Merging #310 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #310      +/-   ##
==========================================
+ Coverage   81.85%   81.86%   +<.01%     
==========================================
  Files         136      136              
  Lines        5588     5591       +3     
==========================================
+ Hits         4574     4577       +3     
  Misses        815      815              
  Partials      199      199

Impacted Files	Coverage Δ
types/sizeof.go	90% <100%> (+0.66%)	⬆️
types/cast.go	65.03% <100%> (ø)	⬆️
types/resolve.go	83.87% <100%> (-0.51%)	⬇️

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[elliotchance]

Reviewed 6 of 6 files at r1.
Review status: all files reviewed at latest revision, 1 unresolved discussion.

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tests/array.c, line 127 at r1 (raw file):

    int **e[4];
    e[0] = d;
    is_eq(*(e[0][1]), 22);

Wow, this is great 👍

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Comments from Reviewable