GAsync: Add empty statement after labels
GAsync: Add empty statement after labels

C does not allow labels at end of compound statements.

Signed-off-by: Didier 'Ptitjes <9b75d9bd0301369bd978ce18252ab1844af4cc4b@free.fr>

frida/vala,playya/vala,playya/vala,severinh/vala,Distrotech/vala,themiwi/vala,flobrosch/vala-fixes,frida/vala,severinh/vala,rvu95/vala,GNOME/vala,kamanashisroy/aroop,jessevdk/vala,severinh/vala,kamanashisroy/aroop,Distrotech/vala,frida/vala,tjol/vala-tjol,Distrotech/vala,spidermonkdust/vala,Jc2k/vala,jessevdk/vala,lovebug356/vala,jessevdk/vala,spidermonkdust/vala,spidermonkdust/vala,lovebug356/vala,frida/vala,frida/vala,themiwi/vala,flobrosch/vala-fixes,tjol/vala-tjol,themiwi/vala,GNOME/vala,rvu95/vala,GNOME/vala,xdave/pvala,phako/vala,rvu95/vala,tjol/vala-tjol,flobrosch/vala-fixes,Jc2k/vala,playya/vala,GNOME/vala,kamanashisroy/aroop,phako/vala