[Midnightbsd-cvs] mports: mports/audio: add gtk3 variant

[laffer1 at midnightbsd.org]

Log Message:
-----------
add gtk3 variant

Modified Files:
--------------
    mports/audio:
        Makefile (r1.103 -> r1.104)
        (http://cvsweb.midnightbsd.org/mports/audio/Makefile?r1=1.103&r2=1.104)

Added Files:
-----------
    mports/audio/libcanberra-gtk3:
        Makefile (r1.1)
        (http://cvsweb.midnightbsd.org/mports/audio/libcanberra-gtk3/Makefile?rev=1.1&content-type=text/x-cvsweb-markup)
        pkg-plist (r1.1)
        (http://cvsweb.midnightbsd.org/mports/audio/libcanberra-gtk3/pkg-plist?rev=1.1&content-type=text/x-cvsweb-markup)