D-Bus: Fix methods returning GLib.Value in dynamic clients
D-Bus: Fix methods returning GLib.Value in dynamic clients

GNOME/vala,playya/vala,frida/vala,GNOME/vala,jessevdk/vala,rvu95/vala,playya/vala,jessevdk/vala,frida/vala,xdave/pvala,frida/vala,frida/vala,tjol/vala-tjol,themiwi/vala,severinh/vala,jessevdk/vala,spidermonkdust/vala,flobrosch/vala-fixes,GNOME/vala,kamanashisroy/aroop,Distrotech/vala,flobrosch/vala-fixes,frida/vala,kamanashisroy/aroop,tjol/vala-tjol,kamanashisroy/aroop,themiwi/vala,tjol/vala-tjol,severinh/vala,rvu95/vala,playya/vala,spidermonkdust/vala,spidermonkdust/vala,flobrosch/vala-fixes,themiwi/vala,Distrotech/vala,severinh/vala,rvu95/vala,GNOME/vala,Distrotech/vala