[wwwdocs] Update 4.9.2 status link from RC announcement to release announcement

[Jonathan Wakely]

This just updates the status link on the homepage from the 4.9.2-rc1
announcement to the final release announcement a week later.

Committed to CVS.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: patch.txt
Type: text/x-patch
Size: 580 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20150312/5423d9bb/attachment.bin>