git-tag(1): -v option is a subcommand; fix code block
git-tag(1): -v option is a subcommand; fix code block

When the -v is passed, git-tag will exit after it is processed like it
does with the -d and -l options. Additionally, missing code block caused
wrong rendering of an option example.

Signed-off-by: Jonas Fonseca <3cc5e2600b36555e00dbc7f417b5fb2440e020fe@diku.dk>
Signed-off-by: Junio C Hamano <dc50d1021234060e53ec42a77d526afa2fe07479@cox.net>

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