Paul Keogh pointed out a possibility of segfault on repeted

* encoding.c: Paul Keogh pointed out a possibility of segfault
  on repeted xmlAddEncodingAlias() / xmlCleanupEncodingAlias().
  Closes bug # 68238
Daniel

1 files changed, 1 insertions, 0 deletions

diff --git a/encoding.c b/encoding.c
index 68d0cf18..06ebd2a3 100644
--- a/encoding.c
+++ b/encoding.c
@@ -1170,6 +1170,7 @@ xmlCleanupEncodingAliases(void) {
     xmlCharEncodingAliasesNb = 0;
     xmlCharEncodingAliasesMax = 0;
     xmlFree(xmlCharEncodingAliases);
+    xmlCharEncodingAliases = NULL;
 }
 
 /**