io.xml: Update link to groups.google.com.
authorGerald Pfeifer <gerald@pfeifer.com>
Sat, 18 Feb 2017 21:15:51 +0000 (21:15 +0000)
committerGerald Pfeifer <gerald@gcc.gnu.org>
Sat, 18 Feb 2017 21:15:51 +0000 (21:15 +0000)
commit3fad5342e22ac39640346ffe14d9c4c681488cda
treeb271436af46569d9c025869222abbda93dd8f45f
parent497b7c47042d542ae48d10badf0c3d0088f6f798
io.xml: Update link to groups.google.com.

* doc/xml/manual/io.xml: Update link to groups.google.com.
Tweak link description.

From-SVN: r245565
libstdc++-v3/ChangeLog
libstdc++-v3/doc/xml/manual/io.xml