one successful return type. simplify build on vs2015
diff --git a/xmltest.cpp b/xmltest.cpp
index d9ccea3..78f072c 100644
--- a/xmltest.cpp
+++ b/xmltest.cpp
@@ -513,13 +513,13 @@
 		double dVal;

 

 		result = ele->QueryDoubleAttribute( "attr0", &dVal );

-		XMLTest( "Query attribute: int as double", result, (int)XML_NO_ERROR );

+		XMLTest( "Query attribute: int as double", result, (int)XML_SUCCESS);

 		XMLTest( "Query attribute: int as double", (int)dVal, 1 );

 		result = ele->QueryDoubleAttribute( "attr1", &dVal );

-		XMLTest( "Query attribute: double as double", result, (int)XML_NO_ERROR );

+		XMLTest( "Query attribute: double as double", result, (int)XML_SUCCESS);

 		XMLTest( "Query attribute: double as double", (int)dVal, 2 );

 		result = ele->QueryIntAttribute( "attr1", &iVal );

-		XMLTest( "Query attribute: double as int", result, (int)XML_NO_ERROR );

+		XMLTest( "Query attribute: double as int", result, (int)XML_SUCCESS);

 		XMLTest( "Query attribute: double as int", iVal, 2 );

 		result = ele->QueryIntAttribute( "attr2", &iVal );

 		XMLTest( "Query attribute: not a number", result, (int)XML_WRONG_ATTRIBUTE_TYPE );

@@ -1003,7 +1003,7 @@
 	{

 		// This shouldn't crash.

 		XMLDocument doc;

-		if(XML_NO_ERROR != doc.LoadFile( "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" ))

+		if(XML_SUCCESS != doc.LoadFile( "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" ))

 		{

 			doc.PrintError();

 		}

@@ -1256,7 +1256,7 @@
         static const char* xml_bom_preservation  = "\xef\xbb\xbf<element/>\n";

         {

 			XMLDocument doc;

-			XMLTest( "BOM preservation (parse)", XML_NO_ERROR, doc.Parse( xml_bom_preservation ), false );

+			XMLTest( "BOM preservation (parse)", XML_SUCCESS, doc.Parse( xml_bom_preservation ), false );

             XMLPrinter printer;

             doc.Print( &printer );