import-tars: be nice to wrong directory modes
import-tars: be nice to wrong directory modes

Some tars seem to have modes 0755 for directories, not 01000755. Do
not generate an empty object for them, but ignore them.

Noticed by riddochc on IRC.

Signed-off-by: Johannes Schindelin <53fb8db7833fca1e1746dd8592f61048d350f64c@gmx.de>
Signed-off-by: Shawn O. Pearce <f01032651c12a22b2103346ba96b3b6b231f9d3c@spearce.org>

destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git,destenson/git