https://gitlab.com/gsasl/libgssglue/-/merge_requests/1

add missing prototype to header

--- a/src/mglueP.h
+++ b/src/mglueP.h
@@ -477,6 +477,10 @@ OM_uint32 generic_gss_str_to_oid
 	    gss_OID *		/* oid */
 	   );
 
+OM_uint32
+generic_gss_copy_oid_set(OM_uint32 *minor_status,
+                         const gss_OID_set_desc * const oidset,
+                         gss_OID_set *new_oidset);
 
 gss_OID gss_find_mechanism_from_name_type (gss_OID); /* name_type */