libstdc++: Remove trailing whitespace in <syncstream>

libstdc++-v3/ChangeLog:

	* include/std/syncstream: Remove trailing whitespace.

diff --git a/libstdc++-v3/include/std/syncstream b/libstdc++-v3/include/std/syncstream
index 92fbbdc760e76454227231087256c85092bbda8a..1e1759714c690dfb0fff41eb0156a5e4d55361fa 100644 (file)
--- a/libstdc++-v3/include/std/syncstream
+++ b/libstdc++-v3/include/std/syncstream
@@ -201,7 +201,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
        mutex* _M_mtx = nullptr;
 
        __mutex(void* __t)  // __t is the underlying sbuf, as hash seed.
-       { 
+       {
          extern mutex& __syncbuf_get_mutex(void*);  // in src/c++20/syncbuf.cc
          if (__t) _M_mtx = &__syncbuf_get_mutex(__t);
        }