commit a1a967ce1ffe17cc6e6afaf76655314ab07a8de1
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Thu Jan 21 11:56:07 2021

    libstdc++: Regenerate Makefile.in
    
    This removes a trivial whitespace difference between the currently
    committed file and the one regenerated by autotools.
    
    libstdc++-v3/ChangeLog:
    
            * src/c++17/Makefile.in: Regenerate.