connect: correct style of C-style comment

Documentation/CodingGuidelines explains:

 - Multi-line comments include their delimiters on separate lines from
   the text.  E.g.

	/*
	 * A very long
	 * multi-line comment.
	 */

Reported-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

connect.c

@@ -889,7 +889,8 @@ static struct child_process *git_connect_git(int fd[2], char *hostandport,
 
 	transport_check_allowed("git");
 
-	/* These underlying connection commands die() if they
+	/*
+	 * These underlying connection commands die() if they
 	 * cannot connect.
 	 */
 	if (git_use_proxy(hostandport))