Merged revision(s) 7874,7875 from Modelica/branches/maintenance/3.2.1:
refs #1580: avoid platform dependency of ModelicaInternal_readLine
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git-svn-id: https://svn.modelica.org/projects/Modelica/trunk@7876 7ce873d0-865f-4ce7-a662-4bb36ea78beb