Use gunzip -c over gzcat in import-tars example.
Use gunzip -c over gzcat in import-tars example.

Not everyone has gzcat or bzcat installed on their system, but
gunzip -c and bunzip2 -c perform the same task and are available
if the user has installed gzip support or bzip2 support.

Signed-off-by: Michael Loeffler <9f5f564970b3424d4ba037e19c520d2c72424765@zvpunry.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