The server options populated via `OPT_STRING_LIST()` is never cleared,
causing a memory leak. Plug it.

This leak is exposed by t5702, but plugging it alone does not make the
whole test suite pass.

Signed-off-by: Patrick Steinhardt <redacted>
---
 builtin/ls-remote.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c
index f723b3bf3bb..f333821b994 100644
--- a/builtin/ls-remote.c
+++ b/builtin/ls-remote.c

@@ -166,6 +166,7 @@ int cmd_ls_remote(int argc,
 		status = 0; /* we found something */
 	}
 
+	string_list_clear(&server_options, 0);
 	ref_sorting_release(sorting);
 	ref_array_clear(&ref_array);
 	if (transport_disconnect(transport))

-- 
2.47.0.dirty