completion: tab-complete "git svn --recursive"

Signed-off-by: James Shubin <james@shubin.ca>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/completion/git-completion.bash

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index e087c4b..51ca636 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -2730,6 +2730,7 @@
 			--log-window-size= --no-checkout --quiet
 			--repack-flags --use-log-author --localtime
 			--add-author-from
+			--recursive
 			--ignore-paths= --include-paths= $remote_opts
 			"
 		local init_opts="