StringReader should be an InputStreamReader

[siad007]

Related to #1138

[codecov]

Codecov Report

Merging #1141 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #1141   +/-   ##
=========================================
  Coverage     47.02%   47.02%           
  Complexity     9968     9968           
=========================================
  Files           505      505           
  Lines         24489    24489           
=========================================
  Hits          11515    11515           
  Misses        12974    12974

Impacted Files	Coverage Δ	Complexity Δ
classes/phing/system/io/StringReader.php	22.72% <ø> (ø)	12 <0> (ø)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7fc0e69...2183f4e. Read the comment docs.