glib-2.0: Add g_get_charset binding
glib-2.0: Add g_get_charset binding

Fixes bug 576205.

themiwi/vala,lovebug356/vala,GNOME/vala,GNOME/vala,phako/vala,kamanashisroy/aroop,tjol/vala-tjol,kamanashisroy/aroop,Distrotech/vala,rvu95/vala,spidermonkdust/vala,themiwi/vala,severinh/vala,tjol/vala-tjol,Distrotech/vala,jessevdk/vala,severinh/vala,xdave/pvala,tjol/vala-tjol,playya/vala,frida/vala,jessevdk/vala,rvu95/vala,rvu95/vala,GNOME/vala,Jc2k/vala,playya/vala,flobrosch/vala-fixes,jessevdk/vala,frida/vala,kamanashisroy/aroop,flobrosch/vala-fixes,playya/vala,flobrosch/vala-fixes,lovebug356/vala,spidermonkdust/vala,frida/vala,frida/vala,GNOME/vala,phako/vala,spidermonkdust/vala,severinh/vala,Jc2k/vala,frida/vala,Distrotech/vala,themiwi/vala