Initialize member variable
diff --git a/tinyxml2.h b/tinyxml2.h
index de589bd..034f002 100755
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -1177,7 +1177,7 @@
 private:

     enum { BUF_SIZE = 200 };

 

-    XMLAttribute() : _next( 0 ), _memPool( 0 ) {}

+    XMLAttribute() : _parseLineNum( 0 ), _next( 0 ), _memPool( 0 ) {}

     virtual ~XMLAttribute()	{}

 

     XMLAttribute( const XMLAttribute& );	// not supported