tool_operate: reset the URL --url-query between --next

Pointed out by Codex Security

Verify in test 1624
Closes #20802

tests/data/Makefile.am

@@ -214,7 +214,7 @@ test1590 test1591 test1592 test1593 test1594 test1595 test1596 test1597 \
 test1598 test1599 test1600 test1601 test1602 test1603 test1604 test1605 \
 test1606 test1607 test1608 test1609 test1610 test1611 test1612 test1613 \
 test1614 test1615 test1616 test1617 \
-test1620 test1621 test1622 test1623 \
+test1620 test1621 test1622 test1623 test1624 \
 \
 test1630 test1631 test1632 test1633 test1634 test1635 test1636 test1637 \
 \

tests/data/test1624

@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="US-ASCII"?>
+<testcase>
+<info>
+<keywords>
+HTTP
+--url-query
+--next
+</keywords>
+</info>
+
+# Server-side
+<reply>
+<data crlf="headers" nocheck="yes">
+HTTP/1.1 200 OK
+Date: Tue, 09 Nov 2010 14:49:00 GMT
+Server: test-server/fake
+Last-Modified: Tue, 13 Jun 2000 12:10:00 GMT
+ETag: "21025-dc7-39462498"
+Accept-Ranges: bytes
+Content-Length: 6
+Connection: close
+Content-Type: text/html
+Funny-head: yesyes
+
+-foo-
+</data>
+</reply>
+
+# Client-side
+<client>
+<server>
+http
+</server>
+<name>
+URL + --url-query with --next and another URL without --url-query
+</name>
+<command>
+http://%HOSTIP:%HTTPPORT/%TESTNUMBER --url-query token=secret --next http://%HOSTIP:%HTTPPORT/%TESTNUMBER
+</command>
+</client>
+
+# Verify data after the test has been "shot"
+<verify>
+<protocol crlf="headers">
+GET /%TESTNUMBER?token=secret HTTP/1.1
+Host: %HOSTIP:%HTTPPORT
+User-Agent: curl/%VERSION
+Accept: */*
+
+GET /%TESTNUMBER HTTP/1.1
+Host: %HOSTIP:%HTTPPORT
+User-Agent: curl/%VERSION
+Accept: */*
+
+</protocol>
+</verify>
+</testcase>