Improve error message.

ox.go

@@ -318,11 +318,11 @@ func oxPublishPubKey(jid string, client *xmpp.Client, iqc chan xmpp.IQ, pubKey *
 func oxGetPrivKeyLoc(jid string) (string, error) {
 	dataDir, err := getDataPath(strings.Replace(strings.Replace(jid, "@", "_at_", -1), ".", "_", -1))
 	if err != nil {
-		return strError, fmt.Errorf("oxGetPubKeyLoc: %w", err)
+		return strError, fmt.Errorf("oxGetPrivKeyLoc: %w", err)
 	}
 	oldDataDir, err := getDataPath("oxprivkeys/")
 	if err != nil {
-		return strError, fmt.Errorf("oxGetPubKeyLoc: %w", err)
+		return strError, fmt.Errorf("oxGetPrivKeyLoc: %w", err)
 	}
 	// TODO: Remove handling of oldDataFile in a later version when it's very likely that there are no
 	// more versions in use using the oldDataFile (<0.8.3).