#2731 Append the path delimiter to the string returned by `classDirec…

…tory()`

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@21269 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

Compiler/FrontEnd/Static.mo

@@ -3644,7 +3644,7 @@ algorithm
 
     case (_,_,_,_,_,_,Absyn.INFO(fileName=fileName))
       equation
-        str = System.dirname(fileName);
+        str = stringAppend(System.dirname(fileName),System.pathDelimiter());
         Error.addSourceMessage(Error.NON_STANDARD_OPERATOR_CLASS_DIRECTORY, {}, info);
       then
         (inCache,DAE.SCONST(str),DAE.PROP(DAE.T_STRING_DEFAULT,DAE.C_CONST()));