gkr: Use 0 on empty flags
A Flags-type variable without any flag set can be replaced with 0, so this is a safe thing to do. It also prevents us from having to deal with the accidental API break in libsecret (see libsecret!19 (merged))
A Flags-type variable without any flag set can be replaced with 0, so this is a safe thing to do. It also prevents us from having to deal with the accidental API break in libsecret (see libsecret!19 (merged))