ports/154362: devel/glib20: add support for --enable-debug=yes

[linimon at FreeBSD.org]

Old Synopsis: glib20 port: add support for --enable-debug=yes
New Synopsis: devel/glib20: add support for --enable-debug=yes

Responsible-Changed-From-To: freebsd-ports-bugs->gnome
Responsible-Changed-By: linimon
Responsible-Changed-When: Fri Jan 28 23:52:00 UTC 2011
Responsible-Changed-Why: 
Fix synopsis and assign.

http://www.freebsd.org/cgi/query-pr.cgi?pr=154362