gcc switchoff leftovers

[Boris Samorodov]

Hi All,

I get some leftovers at fresh CURRENT:
----
% uname -a
FreeBSD bb052.int.wart.ru 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r255298:
Fri Sep  6 18:15:25 UTC 2013
bsam at bb052.int.wart.ru:/usr/obj/usr/src/sys/BB64X  amd64

% yes | sudo make -C /usr/src delete-old
[...]
>>> Removing old directories
rmdir: /usr/include/gcc/4.2: Directory not empty
rmdir: /usr/include/gcc: Directory not empty
>>> Old directories removed
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-- 
WBR, Boris Samorodov (bsam)
FreeBSD Committer, http://www.FreeBSD.org The Power To Serve