Fix typo in translateModelFMU command

Belonging to [master]:
  - OpenModelica/OMCompiler#2390
  - OpenModelica/OpenModelica-testsuite#930

openmodelica/fmi/ModelExchange/2.0/BouncingBall.mos

@@ -23,7 +23,7 @@ equation
 
 end BouncingBallFMI20;
 "); getErrorString();
-translateModelFMU(BouncingBallFMI20, version = "2.0", fmiType="me_cs"); getErrorString();
+translateModelFMU(BouncingBallFMI20, version = "2.0", fmuType="me_cs"); getErrorString();
 importFMU("BouncingBallFMI20.fmu"); getErrorString();
 loadFile("BouncingBallFMI20_me_FMU.mo"); getErrorString();
 simulate(BouncingBallFMI20_me_FMU, stopTime=3.0); getErrorString();