glib-2.0: Add various new symbols
glib-2.0: Add various new symbols

frida/vala,GNOME/vala,flobrosch/vala-fixes,Distrotech/vala,spidermonkdust/vala,flobrosch/vala-fixes,spidermonkdust/vala,frida/vala,rvu95/vala,rvu95/vala,frida/vala,rvu95/vala,spidermonkdust/vala,GNOME/vala,flobrosch/vala-fixes,frida/vala,frida/vala,Distrotech/vala,GNOME/vala,Distrotech/vala,xdave/pvala,GNOME/vala