message: Fix Windows builds
  The interprocess_mutex.cpp file is not needed
diff: @@ -48,7 +48,6 @@ set(REALM_SOURCES
  util/file.cpp
  util/file_mapper.cpp
  util/interprocess_condvar.cpp
  - util/interprocess_mutex.cpp
  util/logger.cpp
  util/memory_stream.cpp
  util/misc_errors.cpp
  @@ -181,8 +180,7 @@ set(REALM_OTHER_UTIL_HEADERS
  ) # REALM_OTHER_UTIL_HEADERS
  if(NOT MSVC)
  - list(APPEND REALM_SOURCES util/interprocess_condvar.cpp util/interprocess_mutex.cpp)
  - list(APPEND REALM_INSTALL_UTIL_HEADERS util/interprocess_condvar.hpp util/interprocess_mutex.hpp)
  + list(APPEND REALM_SOURCES util/interprocess_mutex.cpp)
  endif()
  add_library(realm-objects OBJECT ${REALM_SOURCES})
  