fix const. hopefully.
diff --git a/tinyxml2.h b/tinyxml2.h
index 53f411a..8030e7d 100755
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -616,8 +616,8 @@
 	static void SetBool(const char* writeTrue, const char* writeFalse);

 

 private:

-	static char* writeBoolTrue;

-	static char* writeBoolFalse;

+	static const char* writeBoolTrue;

+	static const char* writeBoolFalse;

 };