add missing uint64_t methods to XMLPrinter

add missing XMLElement::Unsigned64Attribute body

tinyxml2.cpp

@@ -1580,6 +1580,13 @@ int64_t XMLElement::Int64Attribute(const char* name, int64_t defaultValue) const
 	return i;
 }
 
+uint64_t XMLElement::Unsigned64Attribute(const char* name, uint64_t defaultValue) const
+{
+	uint64_t i = defaultValue;
+	QueryUnsigned64Attribute(name, &i);
+	return i;
+}
+
 bool XMLElement::BoolAttribute(const char* name, bool defaultValue) const
 {
 	bool b = defaultValue;
@@ -2664,6 +2671,14 @@ void XMLPrinter::PushAttribute(const char* name, int64_t v)
 }
 
 
+void XMLPrinter::PushAttribute(const char* name, uint64_t v)
+{
+	char buf[BUF_SIZE];
+	XMLUtil::ToStr(v, buf, BUF_SIZE);
+	PushAttribute(name, buf);
+}
+
+
 void XMLPrinter::PushAttribute( const char* name, bool v )
 {
     char buf[BUF_SIZE];
@@ -2733,6 +2748,7 @@ void XMLPrinter::PushText( const char* text, bool cdata )
     }
 }
 
+
 void XMLPrinter::PushText( int64_t value )
 {
     char buf[BUF_SIZE];
@@ -2740,6 +2756,15 @@ void XMLPrinter::PushText( int64_t value )
     PushText( buf, false );
 }
 
+
+void XMLPrinter::PushText( uint64_t value )
+{
+	char buf[BUF_SIZE];
+	XMLUtil::ToStr(value, buf, BUF_SIZE);
+	PushText(buf, false);
+}
+
+
 void XMLPrinter::PushText( int value )
 {
     char buf[BUF_SIZE];

tinyxml2.h

@@ -2220,7 +2220,8 @@ public:
     void PushAttribute( const char* name, const char* value );
     void PushAttribute( const char* name, int value );
     void PushAttribute( const char* name, unsigned value );
-	void PushAttribute(const char* name, int64_t value);
+	void PushAttribute( const char* name, int64_t value );
+	void PushAttribute( const char* name, uint64_t value );
 	void PushAttribute( const char* name, bool value );
     void PushAttribute( const char* name, double value );
     /// If streaming, close the Element.
@@ -2232,8 +2233,10 @@ public:
     void PushText( int value );
     /// Add a text node from an unsigned.
     void PushText( unsigned value );
-	/// Add a text node from an unsigned.
-	void PushText(int64_t value);
+	/// Add a text node from a signed 64bit integer.
+	void PushText( int64_t value );
+	/// Add a text node from an unsigned 64bit integer.
+	void PushText( uint64_t value );
 	/// Add a text node from a bool.
     void PushText( bool value );
     /// Add a text node from a float.