message: Remove redundant CMake version check and make linking to ws2_32 private.
diff: @@ -501,13 +501,9 @@ set(MFEM_INSTALL_DIR ${CMAKE_INSTALL_PREFIX} CACHE PATH
  # Declaring the library
  mfem_add_library(mfem ${SOURCES} ${HEADERS} ${MASTER_HEADERS})
  # message(STATUS "TPL_LIBRARIES = ${TPL_LIBRARIES}")
  -if (CMAKE_VERSION VERSION_GREATER 2.8.11)
  target_link_libraries(mfem PUBLIC ${TPL_LIBRARIES})
  -else()
  - target_link_libraries(mfem ${TPL_LIBRARIES})
  -endif()
  if (MINGW)
  - target_link_libraries(mfem ws2_32)
  + target_link_libraries(mfem PRIVATE ws2_32)
  endif()
  set_target_properties(mfem PROPERTIES VERSION "${mfem_VERSION}")
  set_target_properties(mfem PROPERTIES SOVERSION "${mfem_VERSION}")
  