Fix critical on method varargs introduced by 7b6ee1be
Fix critical on method varargs introduced by 7b6ee1be

Fixes bug 736168

spidermonkdust/vala,frida/vala,GNOME/vala,frida/vala,rvu95/vala,rvu95/vala,flobrosch/vala-fixes,flobrosch/vala-fixes,frida/vala,frida/vala,GNOME/vala,spidermonkdust/vala,flobrosch/vala-fixes,GNOME/vala,spidermonkdust/vala,GNOME/vala,rvu95/vala,frida/vala