minor #15427 [HttpClient] [HTTP Client][CS] Add missing commas (sebpacz)

This PR was merged into the 5.2 branch.

Discussion
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[HttpClient] [HTTP Client][CS] Add missing commas

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Commits
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27cfdeb [HTTP Client][CS] Add missing commas

Author: javiereguiluz

http_client.rst

@@ -835,9 +835,9 @@ Add an ``extra.curl`` option in your configuration to pass those extra options::
         // ...
         'extra' => [
             'curl' => [
-                CURLOPT_IPRESOLVE => CURL_IPRESOLVE_V6
-            ]
-        ]
+                CURLOPT_IPRESOLVE => CURL_IPRESOLVE_V6,
+            ],
+        ],
     ]);
 
 .. note::