bugfix: CUserPointerAttribute::setString had used wrong scanf string...

bugfix: CUserPointerAttribute::setString had used wrong scanf string parameters (and as far as I can see never worked).

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4967 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CAttributeImpl.h

@@ -2054,7 +2054,7 @@ public:
 			case 4:
 			{
 				unsigned int tmp; // not using an irrlicht type - sscanf with %x needs always unsigned int
-				sscanf(text, "0x%x", &tmp);
+				sscanf(text, "%x", &tmp);
 				val = (size_t)tmp;
 			}
 			break;