[gcc r16-3798] libstdc++: Remove trailing whitespace in <syncstream>

[Jonathan Wakely]

https://gcc.gnu.org/g:1b27e8471327f14436e711cd2036d70b76515a6d

commit r16-3798-g1b27e8471327f14436e711cd2036d70b76515a6d
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Thu Sep 11 10:36:22 2025 +0100

    libstdc++: Remove trailing whitespace in <syncstream>
    
    libstdc++-v3/ChangeLog:
    
            * include/std/syncstream: Remove trailing whitespace.

Diff:
---
 libstdc++-v3/include/std/syncstream | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/include/std/syncstream b/libstdc++-v3/include/std/syncstream
index 92fbbdc760e7..1e1759714c69 100644
--- 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);
 	}