dpkg-source(1): add missing paragraph break to man page

man/dpkg-source.1

@@ -587,6 +587,7 @@ include. It may also be any parameter that can be passed to
 the master branch, use \-\-git\-ref=master. To include all tags and
 branches, except for the private branch, use \-\-git\-ref=\-\-all
 \-\-git\-ref=^private
+.TP
 .BI \-\-git\-depth= number
 Creates a shallow clone with a history truncated to the specified number of
 revisions.