clean up the depth tracking a bit
diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index 74265fe..214dbb5 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -2384,21 +2384,18 @@
     ParseDeep(p, 0, &_parseCurLineNum );

 }

 

-bool XMLDocument::PushDepth()

+void XMLDocument::PushDepth()

 {

 	_parsingDepth++;

 	if (_parsingDepth == TINYXML2_MAX_ELEMENT_DEPTH) {

 		SetError(XMLError::XML_ELEMENT_DEPTH_EXCEEDED, _parseCurLineNum, "Element nesting is too deep." );

-		return false;

 	}

-	return true;

 }

 

-bool XMLDocument::PopDepth()

+void XMLDocument::PopDepth()

 {

 	TIXMLASSERT(_parsingDepth > 0);

 	--_parsingDepth;

-	return true;

 }

 

 XMLPrinter::XMLPrinter( FILE* file, bool compact, int depth ) :