File no-boost-system.patch of Package vcmi

Index: vcmi-1.6.8/CMakeLists.txt
===================================================================
--- vcmi-1.6.8.orig/CMakeLists.txt
+++ vcmi-1.6.8/CMakeLists.txt
@@ -462,7 +462,7 @@ endif()
 #        Finding packages                  #
 ############################################
 
-set(BOOST_COMPONENTS date_time filesystem locale program_options system thread)
+set(BOOST_COMPONENTS date_time filesystem locale program_options thread)
 if(ENABLE_INNOEXTRACT)
 	list(APPEND BOOST_COMPONENTS iostreams)
 endif()