zonemd, doxygen comment fix.
@@ -716,7 +716,7 @@ int zonemd_scheme_supported(int scheme);
* @param scheme: zonemd scheme.
* @param hashalgo: zonemd hash algorithm.
* @param hash: the hash to check.
- * @param buflen: length of hash buffer.
+ * @param hashlen: length of hash buffer.
* @param region: temp region for allocs during canonicalisation.
* @param buf: temp buffer during canonicalisation.
* @param reason: string returned with failure reason.
