[libsoup/libsoup-3-0] docs: Document return of soup_auth_negotiate_supported()

[Carlos Garcia Campos <carlosgc src gnome org>]

commit 6b89a8c6554a2a34ae46d025492378657e9f54f3
Author: Patrick Griffis <pgriffis igalia com>
Date:   Thu Apr 14 12:28:34 2022 -0500

    docs: Document return of soup_auth_negotiate_supported()

 libsoup/auth/soup-auth-negotiate.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/libsoup/auth/soup-auth-negotiate.c b/libsoup/auth/soup-auth-negotiate.c
index a5624a3d..1e5340d0 100644
--- a/libsoup/auth/soup-auth-negotiate.c
+++ b/libsoup/auth/soup-auth-negotiate.c
@@ -32,6 +32,7 @@
  * still be added to a #SoupSession, but libsoup will never attempt to
  * actually use this auth type.
  *
+ * Returns: %TRUE if supported otherwise %FALSE
  */
 gboolean
 soup_auth_negotiate_supported (void)