File boost.patch of Package openEMS

diff -Nrua openEMS-0.0.36.orig/CMakeLists.txt openEMS-0.0.36/CMakeLists.txt
--- openEMS-0.0.36.orig/CMakeLists.txt
+++ openEMS-0.0.36/CMakeLists.txt
@@ -123,7 +123,6 @@
 # boost
 find_package(Boost 1.46 COMPONENTS
   thread
-  system
   date_time
   serialization
   chrono