Remove always-true condition in process_numeric_entity()

Author: ndossche

ext/standard/html.c

@@ -677,7 +677,7 @@ static inline int process_numeric_entity(const char **buf, unsigned *code_point)
 	int hexadecimal = (**buf == 'x' || **buf == 'X'); /* TODO: XML apparently disallows "X" */
 	char *endptr;
 
-	if (hexadecimal && (**buf != '\0'))
+	if (hexadecimal)
 		(*buf)++;
 
 	/* strtol allows whitespace and other stuff in the beginning