[contacts] Fix use of uninitialised memory
[contacts] Fix use of uninitialised memory

pwithnall/libgdata,Pecisk/libgdata-gtasks,GNOME/libgdata,pwithnall/libgdata,Pecisk/libgdata-gtasks,Pecisk/libgdata,Pecisk/libgdata,Distrotech/libgdata,Pecisk/libgdata-gtasks,Pecisk/libgdata,Distrotech/libgdata,Distrotech/libgdata