lang/gcc40 was removed from FreeBSD's ports tree in 2007, and the
lang/gcc port, which provides a stable GCC version newer than the one in
the base system, is currently pointing to the 4.6 series.
Change-Id: Ifd959ef7b9cd122aa606644e97e337ace8742245
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>
