- changed BOOST_REALPATH to Boost_REALPATH, because cmake is case sen…

…sitive at this case

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@24534 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

SimulationRuntime/cpp/CMakeLists.txt

@@ -77,7 +77,7 @@ SET(OMC_BUILD ON)
 SET(SIMSTER_BUILD OFF)
 
 SET(Boost_USE_MULTITHREADED ON)
-SET(BOOST_REALPATH ON)
+SET(Boost_REALPATH ON)
 
 INCLUDE(${CMAKE_SOURCE_DIR}/PrecompiledHeader.cmake)