Make keyctl revoke non fatal (#61)

Fixes AeonDesktop/Project#25

Co-authored-by: TobiPeterG <codeberg.sadness522@passmail.net>

Author: TobiPeterG

usr/lib/tik/lib/tik-functions

@@ -382,8 +382,8 @@ wipe_keyfile() {
     fi
     # We're done with the key-file, so remove it from the filesystem and keyring
     prun /usr/bin/rm ${tik_keyfile}
-    prun keyctl revoke ${tik_keyid}
-    prun keyctl reap
+    prun-opt keyctl revoke ${tik_keyid}
+    prun-opt keyctl reap
 }
 
 dump_image() {