Improve support of Code-Export from SimulationX 3.7
Improve support of Code-Export from SimulationX 3.7

Do not consider SimulationX-specific libraries for external function calls for C-Code-Export (since static libraries should be used to link against)

modelica-3rdparty/ExternData,modelica-3rdparty/ExternData,modelica-3rdparty/ExternData,modelica-3rdparty/ExternData