Re: [PATCH 3/6] t-reftable-stack: use Git's tempfile API instead of mkstemp()

Chandra Pratap [off-list ref] writes:

Git's tempfile API defined by $GIT_DIR/tempfile.{c, h} provides

You are using the syntax of (some) shells to express "repeat the
string with 'c' and 'h' appended" here, so drop SP after the comma.