support/download/git: fix formatting of error message
'.' should be at the end of the sentence, not the beginning of a new
line.
Signed-off-by: John Keeping <john@metanate.com>
Cc: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 8dd1a41630fff72638b7942c926c2f50095ab0d6)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>