Avoid GPOINTER_TO_* macros with va_arg
Avoid GPOINTER_TO_* macros with va_arg

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