sequencer: move "else" keyword onto the same line as preceding brace

It is the current coding style of the Git project to write

	if (...) {
		...
	} else {
		...
	}

instead of putting the closing brace and the "else" keyword on separate
lines.

Pointed out by Junio Hamano.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

sequencer.c

@@ -1070,8 +1070,7 @@ static int create_seq_dir(void)
 		error(_("a cherry-pick or revert is already in progress"));
 		advise(_("try \"git cherry-pick (--continue | --quit | --abort)\""));
 		return -1;
-	}
-	else if (mkdir(git_path_seq_dir(), 0777) < 0)
+	} else if (mkdir(git_path_seq_dir(), 0777) < 0)
 		return error_errno(_("could not create sequencer directory '%s'"),
 				   git_path_seq_dir());
 	return 0;