[wwwdocs] Update gcc-9/changes.html #2

One more. Index: changes.html === RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-9/changes.html,v retrieving revision 1.48 diff -u -r1.48 changes.html --- changes.html28 Feb 2019 20:51:28 - 1.48 +++ changes.html28 Feb

[wwwdocs] Update gcc-9/changes.html

Applied. Index: gcc-9/changes.html === RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-9/changes.html,v retrieving revision 1.47 diff -u -r1.47 changes.html --- gcc-9/changes.html 28 Feb 2019 10:31:50 - 1.47 +++ gcc-9/changes.html