message: add extern C to tls_callback, fixes unresolved external symbol
diff: @@ -492,13 +492,12 @@ _tls_callback(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
  # pragma comment(linker, "/INCLUDE:_tls_used")
  # pragma comment(linker, "/INCLUDE:" STRINGIFY(tls_callback))
  #endif
  -//# pragma section(".CRT$XLY",long,read)
  +#pragma section(".CRT$XLY", long, read)
  #endif
  -//JEMALLOC_SECTION(".CRT$XLY")
  +extern "C"
  +JEMALLOC_SECTION(".CRT$XLY")
  JEMALLOC_ATTR(used)
  -static BOOL WINAPI tls_callback(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
  - return _tls_callback(hinstDLL, fdwReason, lpvReserved);
  -}
  + BOOL(WINAPI *const tls_callback)(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) = _tls_callback;
  #endif
  #if (!defined(JEMALLOC_MALLOC_THREAD_CLEANUP) && !defined(JEMALLOC_TLS) && \
  