Forbid pointer indirection for void type
Forbid pointer indirection for void type

Fixes bug 648890.

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