Broken link on http://llvm.org/docs/ReleaseNotes.html#brokengcc

Hi,

The link "Broken versions of GCC and other tools" on
http://llvm.org/docs/ReleaseNotes.html points to #brokengcc, where it
should point to http://llvm.org/docs/GettingStarted.html#brokengcc I
guess.

fixed, thanks.