add prototype for b64unalphabet() to silence warning

diff --git a/libcitadel/lib/libcitadel.h b/libcitadel/lib/libcitadel.h
index 5fab0c5cf4bc91384dda94e3edcf171361f1fb62..0efb7895fb5c30c38f48ea86ffb19c84a7c37d15 100644 (file)
--- a/libcitadel/lib/libcitadel.h
+++ b/libcitadel/lib/libcitadel.h
@@ -575,6 +575,7 @@ struct vnote *vnote_new_from_str(char *s);
 void vnote_free(struct vnote *v);
 char *vnote_serialize(struct vnote *v);
 void vnote_serialize_output_field(char *append_to, char *field, char *label);
+char b64unalphabet(char ch);