nothing but just remove compile warning
diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index 0bee8bf..143d30a 100644
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -1566,7 +1566,7 @@
 	InitDocument();

 

 	fseek( fp, 0, SEEK_END );

-	unsigned size = ftell( fp );

+	size_t size = ftell( fp );

 	fseek( fp, 0, SEEK_SET );

 

 	if ( size == 0 ) {