fix boost layout, update submodule

Gabriele Contini

2019-12-01 550d42370135cad802074648756838cf7cd91e10

 src/library/os/CMakeLists.txt

@@ -1,10 +1,10 @@
IF(UNIX OR OPENSSL_FOUND)
    ADD_LIBRARY(os STATIC
        openssl/signature_verifier.cpp
        os.c
        os-linux.c
        network_id.c)

   IF(UNIX)
       ADD_LIBRARY(os STATIC openssl/signature_verifier.cpp os.c os-linux.c network_id.c)
   ELSE(UNIX)
         ADD_LIBRARY(os STATIC openssl/signature_verifier.cpp os.c os-win.c)
   ENDIF(UNIX)
	
   if (CMAKE_VERSION VERSION_GREATER 3.5)
      target_link_libraries(os base OpenSSL::Crypto ${EXTERNAL_LIBS} ${CMAKE_DL_LIBS})
   #patch for old cmake in Centos 7