ldns_axfr_abort is apparently an undocumented API function. Unstaticize

and add a prototype + documentation to the relevant header.

contrib/ldns/ldns/resolver.h

@@ -739,6 +739,12 @@ void ldns_resolver_deep_free(ldns_resolver *res);
  */
 ldns_rr* ldns_axfr_next(ldns_resolver *resolver);
 
+/**
+ * Abort a transfer that is in progress
+ * \param[in] resolver the resolver that is used
+ */
+void ldns_axfr_abort(ldns_resolver *resolver);
+
 /**
  * Returns true if the axfr transfer has completed (i.e. 2 SOA RRs and no errors were encountered
  * \param[in] resolver the resolver that is used

contrib/ldns/resolver.c

@@ -1372,7 +1372,7 @@ ldns_axfr_next(ldns_resolver *resolver)
  * library staying in an indetermined state because the socket for the
  * AXFR is never closed
  */
-static void
+void
 ldns_axfr_abort(ldns_resolver *resolver)
 {
 	/* Only abort if an actual AXFR is in progress */