package/gptfdisk: add upstrream tag info on new patch

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/gptfdisk/0003-Fix-NULL-dereference-when-duplicating-string-argumen.patch

@@ -8,6 +8,7 @@ poptGetArg can return NULL if there are no additional arguments, which
 makes strdup dereference NULL on strlen
 
 Signed-off-by: Stefan Agner <stefan@agner.ch>
+Upstream: https://sourceforge.net/p/gptfdisk/code/ci/f5de3401b974ce103ffd93af8f9d43505a04aaf9
 ---
  gptcl.cc | 6 ++++--
  1 file changed, 4 insertions(+), 2 deletions(-)