Fix typo

core/print_string.cpp

@@ -66,7 +66,7 @@ void remove_print_handler(PrintHandlerList *p_handler) {
 		l=l->next;
 
 	}
-	OS::get_singleton()->print("print hanlder list is %p\n",print_handler_list);
+	OS::get_singleton()->print("print handler list is %p\n",print_handler_list);
 
 	ERR_FAIL_COND(l==NULL);
 	_global_unlock();