ports/150547: Fix bsd.gcc.mk to allow for INSTALL_AS_USER when BINOWN et al are used

[edwin at FreeBSD.org]

Synopsis: Fix bsd.gcc.mk to allow for INSTALL_AS_USER when BINOWN et al are used

Responsible-Changed-From-To: freebsd-ports-bugs->gerald
Responsible-Changed-By: edwin
Responsible-Changed-When: Tue Sep 14 01:00:22 UTC 2010
Responsible-Changed-Why: 
bsd.gcc.mk is gerald territory (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=150547