[libsoup/wip/docs-updates: 3/9] docs: Document return of soup_auth_negotiate_supported()

[Patrick Griffis <pgriffis src gnome org>]

commit 33eec6f7ecdd6c188958367e798e7ddaa9952713
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 817ba5f5..b3f9f92d 100644
--- a/libsoup/auth/soup-auth-negotiate.c
+++ b/libsoup/auth/soup-auth-negotiate.c
@@ -33,6 +33,7 @@
  * still be added to a [class@Session], but libsoup will never attempt to
  * actually use this auth type.
  *
+ * Returns: %TRUE if supported otherwise %FALSE
  */
 gboolean
 soup_auth_negotiate_supported (void)