[committed] libstdc++: Tweak whitespace

[Jonathan Wakely]

Tested powerpc64le-linux. Committed to trunk.

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commit c8a1cf1a7a8be1dc0de48035d88fecf4954e37ba
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed Aug 18 16:57:47 2021

    libstdc++: Tweak whitespace
    
    Signed-off-by: Jonathan Wakely <jwakely@redhat.com>
    
    libstdc++-v3/ChangeLog:
    
            * include/bits/stl_tree.h: Tweak whitespace.

diff --git a/libstdc++-v3/include/bits/stl_tree.h b/libstdc++-v3/include/bits/stl_tree.h
index 96299129810..e4e3e0b985c 100644
--- a/libstdc++-v3/include/bits/stl_tree.h
+++ b/libstdc++-v3/include/bits/stl_tree.h
@@ -322,7 +322,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 #endif
 
       _Base_ptr _M_node;
-  };
+    };
 
   template<typename _Tp>
     struct _Rb_tree_const_iterator