Add scope to foreach

[WebFreak001]

fixes Pure-D/serve-d#262

[codecov]

Codecov Report

Merging #470 (47452d6) into master (55b2903) will decrease coverage by 0.00%.
The diff coverage is 71.42%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #470      +/-   ##
==========================================
- Coverage   83.17%   83.16%   -0.01%     
==========================================
  Files          11       11              
  Lines        8338     8345       +7     
==========================================
+ Hits         6935     6940       +5     
- Misses       1403     1405       +2     

Impacted Files	Coverage Δ
src/dparse/ast.d	70.85% <ø> (ø)
src/dparse/parser.d	91.26% <33.33%> (-0.05%)	⬇️
src/dparse/astprinter.d	94.35% <100.00%> (+0.03%)	⬆️

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