build: Set tar-pax AM_INIT_AUTOMAKE option
build: Set tar-pax AM_INIT_AUTOMAKE option

This is necessary to include long filenames in the tarball, which
is needed for the trace files.

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