build: Update git.mk from upstream
build: Update git.mk from upstream

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