fixing some comments to avoid warnings from apibuild.py Daniel

* SAX2.c hash.c parser.c include/libxml/xmlexports.h
  include/libxml/xmlmemory.h include/libxml/xmlversion.h.in:
  fixing some comments to avoid warnings from apibuild.py
Daniel
diff --git a/hash.c b/hash.c
index f9fc161..9f1d3bb 100644
--- a/hash.c
+++ b/hash.c
@@ -423,7 +423,7 @@
 }
 
 /**
- * xmlHashLookup2:
+ * xmlHashQLookup2:
  * @table: the hash table
  * @prefix: the prefix of the userdata
  * @name: the name of the userdata