add -p: change prompt separator for 'g'

57886bc (git-add -i/-p: Change prompt separater from slash to comma,
2008-11-27) changed the prompt separator to ',', but forgot to adapt
the 'g' (goto) command.

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

git-add--interactive.perl

@@ -948,7 +948,7 @@ sub patch_update_file {
 			$other .= ',J';
 		}
 		if ($num > 1) {
-			$other .= '/g';
+			$other .= ',g';
 		}
 		for ($i = 0; $i < $num; $i++) {
 			if (!defined $hunk[$i]{USE}) {