fix const. hopefully.
diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index 7f5641e..40f6d82 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -368,22 +368,22 @@
 

 // --------- XMLUtil ----------- //

 

-char* XMLUtil::writeBoolTrue  = "true";

-char* XMLUtil::writeBoolFalse = "false";

+const char* XMLUtil::writeBoolTrue  = "true";

+const char* XMLUtil::writeBoolFalse = "false";

 

 void XMLUtil::SetBool(const char* writeTrue, const char* writeFalse)

 {

 	static const char* defTrue = "true";

 	static const char* defFalse = "false";

 	if (writeTrue)

-		writeBoolTrue = (char*) writeTrue;

+		writeBoolTrue = writeTrue;

 	else

-		writeBoolTrue = (char*) defTrue;

+		writeBoolTrue = defTrue;

 

 	if (writeFalse)

-		writeBoolFalse = (char*) writeFalse;

+		writeBoolFalse = writeFalse;

 	else

-		writeBoolFalse = (char*) defFalse;

+		writeBoolFalse = defFalse;

 }