Fix leak in sru_z3950 filter - when explain is returned MP-511

diff --git a/src/sru_util.cpp b/src/sru_util.cpp
index 5ce98f7..c02007b 100644 (file)
--- a/src/sru_util.cpp
+++ b/src/sru_util.cpp
@@ -131,6 +131,7 @@ bool mp_util::build_sru_explain(metaproxy_1::Package &package,
         xmlDocDumpFormatMemory(doc, &xmlbuff, &xmlbuffsz, 1);
 
         explain_xml.assign((const char*)xmlbuff, 0, xmlbuffsz);
+        xmlFree(xmlbuff);
     }