ports/171099: gdb 7.5 is needed to fully support lang/gcc47

[edwin at FreeBSD.org]

Synopsis: gdb 7.5 is needed to fully support lang/gcc47

Responsible-Changed-From-To: freebsd-ports-bugs->gerald
Responsible-Changed-By: edwin
Responsible-Changed-When: Mon Aug 27 00:30:14 UTC 2012
Responsible-Changed-Why: 
Over to maintainer (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=171099