Fix critical with invalid constant initializers
Fix critical with invalid constant initializers

Fixes bug 640390.

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