fix floating point specifier and clean up a warning
diff --git a/xmltest.cpp b/xmltest.cpp
index e7da311..abb2f1b 100644
--- a/xmltest.cpp
+++ b/xmltest.cpp
@@ -301,9 +301,9 @@
 

 		printf( "Test file '%s' loaded. ErrorID=%d\n", argv[1], errorID );

 		if ( !errorID ) {

-			printf( "Load time=%d\n", loadTime - startTime );

-			printf( "Delete time=%d\n", deleteTime - loadTime );

-			printf( "Total time=%d\n", deleteTime - startTime );

+			printf( "Load time=%u\n",   (unsigned)(loadTime - startTime) );

+			printf( "Delete time=%u\n", (unsigned)(deleteTime - loadTime) );

+			printf( "Total time=%u\n",  (unsigned)(deleteTime - startTime) );

 		}

 		exit(0);

 	}