null terminate the returned string in here too.

foobar · foobar · commit c902ad74f0ef · 2001-08-18T23:43:04.000Z
diff --git a/ext/xml/xml.c b/ext/xml/xml.c
@@ -462,9 +462,10 @@ static XML_Char *xml_utf8_encode(const char *s, int len, int *newlen, const XML_
 	if (encoder == NULL) {
 		/* If no encoder function was specified, return the data as-is.
 		 */
-		newbuf = emalloc(len);
+		newbuf = emalloc(len + 1);
 		memcpy(newbuf, s, len);
 		*newlen = len;
+		newbuf[*newlen] = '\0';
 		return newbuf;
 	}
 	/* This is the theoretical max (will never get beyond len * 2 as long
