fix #36242 (Possible memory corruption in stream_select())

ext/standard/streamsfuncs.c

@@ -761,7 +761,7 @@ PHP_FUNCTION(stream_select)
 
 	/* If seconds is not set to null, build the timeval, else we wait indefinitely */
 	if (sec != NULL) {
-		convert_to_long_ex(&sec);
+		convert_to_long(sec);
 
 		/* Solaris + BSD do not like microsecond values which are >= 1 sec */
 		if (usec > 999999) {